APA (7th ed.) Citation

ARIFIN, Z., & SUTOPO, A. (1997). English for nutrition 2. Language Center UMS.

Chicago Style (17th ed.) Citation

ARIFIN, Zaenal, and Anam SUTOPO. English for Nutrition 2. Surakarta: Language Center UMS, 1997.

MLA (9th ed.) Citation

ARIFIN, Zaenal, and Anam SUTOPO. English for Nutrition 2. Language Center UMS, 1997.