APA Style

Saragih, Sabastian Eliyas. (2008). Pertanian organik . : Penebar Swadaya.

Chicago Style

Saragih, Sabastian Eliyas. Pertanian organik. : Penebar Swadaya, 2008. Text.

MLA Style

Saragih, Sabastian Eliyas. Pertanian organik. : Penebar Swadaya, 2008. Text.

Turabian Style

Saragih, Sabastian Eliyas. Pertanian organik. : Penebar Swadaya, 2008. Print.