Halbert, M. G., & Worley, O. K. (1941). John raises chickens. published by Bureau of School Service, University of Kentucky, as a part of an experiment in applied economics made possible by a grant from the Alfred P. Sloan Foundation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHalbert, Marie Goodwin, এবং Opaline King Worley. John Raises Chickens. Lexington, Ky.: published by Bureau of School Service, University of Kentucky, as a part of an experiment in applied economics made possible by a grant from the Alfred P. Sloan Foundation, 1941.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিHalbert, Marie Goodwin, এবং Opaline King Worley. John Raises Chickens. published by Bureau of School Service, University of Kentucky, as a part of an experiment in applied economics made possible by a grant from the Alfred P. Sloan Foundation, 1941.