Não informado. (1946). Bulletin of the Oklahoma Agricultural Experiment Station. Oklahoma Agricultural and Mechanical College.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of the Oklahoma Agricultural Experiment Station. Stillwater, Okla: Oklahoma Agricultural and Mechanical College, 1946.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of the Oklahoma Agricultural Experiment Station. Oklahoma Agricultural and Mechanical College, 1946.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.