Gaya APA
Pertanian Organik. (2008).
Jakarta:
Penebar Swadaya.
Gaya Chicago
Pertanian Organik.
.
Jakarta:
Penebar Swadaya,
2008.
Printed Book.
Gaya MLA
Pertanian Organik.
.
Jakarta:
Penebar Swadaya,
2008.
Printed Book.
Gaya Turabian
Pertanian Organik.
Jakarta:
Penebar Swadaya,
2008.
Printed Book.