Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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