Dillis, C., L. Beaudrot, D. J. Clink, K. L. Feilen, H. U. Wittmer, and A.J. Marshall. 2015. Modeling the ecological and phenological predictors of fruit consumption by gibbons (Hylobates albibarbis). Biotropica. 47: 85–93.

Marshall, A. J., L. Beaudrot, and H. U. Wittmer. 2014. Responses of primates and other frugivorous vertebrates to plant resource variability over space and time at Gunung Palung National Park. International Journal of Primatology. 35: 1178–1201.

Marshall, A. J. 2010. Effects of habitat quality on primate populations in Kalimantan: gibbons and leaf monkeys as case studies. In J. Supriatna and S. L. Gursky (Eds.) Indonesian Primates. New York: Springer. Pp. 157–177.

Marshall, A. J., C. H. Cannon, and M. Leighton. 2009. Competition and niche overlap between gibbons (Hylobates albibarbis) and other frugivorous vertebrates in Gunung Palung National Park, West Kalimantan, Indonesia. In S. Lappan and D. J. Whittaker, (eds). The gibbons: New perspectives on small ape socioecology and population biology. New York: Springer. Pp. 161–188.

Marshall, A. J. 2009. Are montane forests demographic sinks for Bornean white-bearded gibbons? Biotropica. 41:257-267.

Marshall, A. J. and M. Leighton. 2006. How does food availability limit the population density of white-bearded gibbons? In Hohmann, G., M. Robbins, and C. Boesch (eds). Feeding Ecology of the Apes. Cambridge: Cambridge University Press. Pp. 313-335.