Não informado. Animal Sciences and Industry Research Report. Oklahoma Agricultural Experiment Station.
Citação do estilo Chicago (17ª ed.)Não informado. Animal Sciences and Industry Research Report. Stillwater, Okla: Oklahoma Agricultural Experiment Station.
Citação MLA (8ª ed.)Não informado. Animal Sciences and Industry Research Report. Oklahoma Agricultural Experiment Station.
警告：这些引文格式不一定是100％准确.