Cita APA (7a ed.)
Unger, F. (2017). Survey design and sampling procedures in livestock populations: An introduction. International Livestock Research Institute.
Cita Chicago Style (17a ed.)
Unger, Fred. Survey Design and Sampling Procedures in Livestock Populations: An Introduction. International Livestock Research Institute, 2017.
Cita MLA (9a ed.)
Unger, Fred. Survey Design and Sampling Procedures in Livestock Populations: An Introduction. International Livestock Research Institute, 2017.
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