(Ingelesez)Gilman, Daniel Coit; Peck, Harry Thurston; Colby, Frank Moore. (1903). The New international encyclopædia. Dodd, Mead and Co. (Noiz kontsultatua: 2018-12-14).
Freeland-Graves, J. H.; Bodzy, P. W.; Eppright, M. A.. (1980-12). «Zinc status of vegetarians»Journal of the American Dietetic Association 77 (6): 655–661. ISSN0002-8223. PMID7440860. (Noiz kontsultatua: 2018-12-24).
Stowe, C. M.; Nelson, R.; Werdin, R.; Fangmann, G.; Fredrick, P.; Weaver, G.; Arendt, T. D.. (1978-08-01). «Zinc phosphide poisoning in dogs»Journal of the American Veterinary Medical Association 173 (3): 270. ISSN0003-1488. PMID689968. (Noiz kontsultatua: 2018-12-24).
Freeland-Graves, J. H.; Bodzy, P. W.; Eppright, M. A.. (1980-12). «Zinc status of vegetarians»Journal of the American Dietetic Association 77 (6): 655–661. ISSN0002-8223. PMID7440860. (Noiz kontsultatua: 2018-12-24).
Stowe, C. M.; Nelson, R.; Werdin, R.; Fangmann, G.; Fredrick, P.; Weaver, G.; Arendt, T. D.. (1978-08-01). «Zinc phosphide poisoning in dogs»Journal of the American Veterinary Medical Association 173 (3): 270. ISSN0003-1488. PMID689968. (Noiz kontsultatua: 2018-12-24).