APA aipamena

Eastman, S. J. (1987). Assignment Children: Vitamin A deficiency and xerophthalmia. USA: UNICEF.

Chicago Style aipamena

Eastman, Susan J. Assignment Children: Vitamin A Deficiency and Xerophthalmia. USA: UNICEF, 1987.

MLA aipamena

Eastman, Susan J. Assignment Children: Vitamin A Deficiency and Xerophthalmia. USA: UNICEF, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.