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YEAGER, Carey P. Proboscis monkey (Nasalis larvatus) social organization: Nature and possible functions of intergroup patterns of association. American Journal of Primatology. 1992, roč. 26, čís. 2, s. 133–137. Dostupné online [cit. 2019-08-28]. ISSN1098-2345. DOI10.1002/ajp.1350260207. (anglicky)
YEAGER, Carey P. Proboscis monkey (Nasalis larvatus) social organization: Nature and possible functions of intergroup patterns of association. American Journal of Primatology. 1992, roč. 26, čís. 2, s. 133–137. Dostupné online [cit. 2019-08-28]. ISSN1098-2345. DOI10.1002/ajp.1350260207. (anglicky)
GORZITZE, Andrea B. Birth-related behaviors in wild proboscis monkeys (Nasalis larvatus). Primates. 1996-01-01, roč. 37, čís. 1, s. 75–78. Dostupné online [cit. 2019-08-28]. ISSN1610-7365. DOI10.1007/BF02382922. (anglicky)
NATHAN, Senthival; BERNARD, Henry; SHA, John C. M. Status and Conservation of Proboscis Monkeys (Nasalis larvatus) in Sabah, East Malaysia. Primate Conservation. 2008/11, roč. 23, čís. 1, s. 107–120. Dostupné online [cit. 2019-08-30]. ISSN0898-6207. DOI10.1896/052.023.0112.