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.