Gaya APA

[at.al], A, H, N. (1987). Pengetahuan Gizi Mutakhir Vitamin=Present Knowledge In Nutrition . Jakarta: Gramedia.

Gaya MLA

[at.al], Andi, Hakim, Nasoetion. "Pengetahuan Gizi Mutakhir Vitamin=Present Knowledge In Nutrition". Jakarta: Gramedia, 1987. Teks.