Não informado. (1946). Bulletin of the Oklahoma Agricultural Experiment Station. Oklahoma Agricultural and Mechanical College.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of the Oklahoma Agricultural Experiment Station. Stillwater, Okla: Oklahoma Agricultural and Mechanical College, 1946.
Citação MLA (8ª ed.)Não informado. Bulletin of the Oklahoma Agricultural Experiment Station. Oklahoma Agricultural and Mechanical College, 1946.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.