Gaya APA

Metzner, J., Daldjoeni, N. (1987). Ekofarming: Bertani Selaras Alam (Ed.1). Jakarta: Yayasan Obor Indonesia.

Gaya MLA

Metzner, Joachim., Daldjoeni, N.. "Ekofarming: Bertani Selaras Alam". Ed.1 Jakarta: Yayasan Obor Indonesia, 1987. Text.