Gaya APA
Gopalan, C. (1992).
Combating Vitamin A Deficiency Through Dietary Improvement (Edisi 6).
India:
Nutrition Foundation of India.
Gaya MLA
Gopalan, C..
"Combating Vitamin A Deficiency Through Dietary Improvement".
Edisi 6
India:
Nutrition Foundation of India,
1992.
Text.