Gaya APA

Djafar, Z, R. et al (1990). Dasar-Dasar Agronomi (-). Palembang: Westerns Universities Agricultural Education project.

Gaya MLA

Djafar, Zainal, Ridho. et al. "Dasar-Dasar Agronomi". - Palembang: Westerns Universities Agricultural Education project, 1990. Buku Pend. Biologi.