Gaya APA
Poehlman, John Milton. (1983).
Breeding field crops .
Westport:
Avi Publishing Company.
Gaya Chicago
Poehlman, John Milton.
Breeding field crops.
Westport:
Avi Publishing Company,
1983.
Tesis.
Gaya MLA
Poehlman, John Milton.
Breeding field crops.
Westport:
Avi Publishing Company,
1983.
Tesis.
Gaya Turabian
Poehlman, John Milton.
Breeding field crops.
Westport:
Avi Publishing Company,
1983.
Tesis.