Gaya APA

Bengkulu, I., K. et al. (1993). Educational Handbook For Nutrition Trainers : How to increase your skill and make it easier students to learn . : World Health Organization.

Gaya MLA

Bengkulu, I., K. et al.. Educational Handbook For Nutrition Trainers : How to increase your skill and make it easier students to learn. : World Health Organization, 1993. Text.