APA Style
Dahama, A.K. (2009).
Organic farming for sustainable agriculture. .
Medan:
Agrobios.
Chicago Style
Dahama, A.K.
Organic farming for sustainable agriculture..
Medan:
Agrobios,
2009.
Buku Teks.
MLA Style
Dahama, A.K.
Organic farming for sustainable agriculture..
Medan:
Agrobios,
2009.
Buku Teks.
Turabian Style
Dahama, A.K.
Organic farming for sustainable agriculture..
Medan:
Agrobios,
2009.
Buku Teks.