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.