AYRES, Q. C. (1936). Soil Erosion and its control - Quincy Claude Ayres. Mc Graw-Hill book company.
Chicago Style (17th ed.) CitationAYRES, Quincy Claude. Soil Erosion and Its Control - Quincy Claude Ayres. Mc Graw-Hill book company, 1936.
MLA (8th ed.) CitationAYRES, Quincy Claude. Soil Erosion and Its Control - Quincy Claude Ayres. Mc Graw-Hill book company, 1936.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.