Cita APA (7th ed.)
Kuhnlein, H. V. (1997). Culture, environment, and food to prevent Vitamin A deficiency. INFDC.
Cita Chicago (17th ed.)
Kuhnlein, Harriet V. Culture, Environment, and Food to Prevent Vitamin A Deficiency. Ottawa: INFDC, 1997.
Cita MLA (9th ed.)
Kuhnlein, Harriet V. Culture, Environment, and Food to Prevent Vitamin A Deficiency. INFDC, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.