Cite journal Last name Pollock First name J. I. Last name 2 Mullin First name 2 R. J. Year of publication 1987 Title Vitamin C biosynthesis in prosimians: Evidence for the anthropoid affinity of Tarsius Journal American Journal of Physical Anthropology Volume 73 Issue 1 Pages 65–70 DOI 10.1002/ajpa.1330730106 PMID 3113259 ↑ R. Eric Miller; Murray E. Fowler. Fowler's Zoo and Wild Animal Medicine, Volume 8. p. 389. Retrieved 2016-06-02.