Gaya APA

Stranks, D., Hetzel, B, S. (1989). The Strory of lodine deficiency an international : challenge in nutrition . New York: Oxford University Press.

Gaya MLA

Stranks, DR., Hetzel, Basil, S.. "The Strory of lodine deficiency an international : challenge in nutrition". New York: Oxford University Press, 1989. Text.