ESMAY, M. L., & ESMAY, M. L. (1986). Environmental Control For Agricultural Buildings Merle L. Esmey And John E. Dixon. The Avi Publishing Company.
Lua i Stíl Chicago (17ú heag.)ESMAY, Merle L., agus Merle L. ESMAY. Environmental Control For Agricultural Buildings Merle L. Esmey And John E. Dixon. The Avi Publishing Company, 1986.
Lua MLA (8ú heag.)ESMAY, Merle L., agus Merle L. ESMAY. Environmental Control For Agricultural Buildings Merle L. Esmey And John E. Dixon. The Avi Publishing Company, 1986.
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