Não informado. (1946). Bulletin of the Oklahoma Agricultural Experiment Station. Oklahoma Agricultural and Mechanical College.
Chicago-Zitierstil (17. Ausg.)Não informado. Bulletin of the Oklahoma Agricultural Experiment Station. Stillwater, Okla: Oklahoma Agricultural and Mechanical College, 1946.
MLA-Zitierstil (8. Ausg.)Não informado. Bulletin of the Oklahoma Agricultural Experiment Station. Oklahoma Agricultural and Mechanical College, 1946.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.