Gaya APA
Francis, Charles A, Flora, Cornelia. (1990).
Sustainable agriculture in temperate zones .
Hoboken, New Jersey:
John Willey & Sons, Inc.
Gaya Chicago
Francis, Charles A, Flora, Cornelia.
Sustainable agriculture in temperate zones.
Hoboken, New Jersey:
John Willey & Sons, Inc,
1990.
Text.
Gaya MLA
Francis, Charles A, Flora, Cornelia.
Sustainable agriculture in temperate zones.
Hoboken, New Jersey:
John Willey & Sons, Inc,
1990.
Text.
Gaya Turabian
Francis, Charles A, Flora, Cornelia.
Sustainable agriculture in temperate zones.
Hoboken, New Jersey:
John Willey & Sons, Inc,
1990.
Print.