BEAR, F. E. (1964). Chemistry of the Soil.: Firman E. Bear (2nd ed.). Oxfrord and IBH.
Chicago Style (17th ed.) CitationBEAR, Firman E. Chemistry of the Soil.: Firman E. Bear. 2nd ed. New Delhi: Oxfrord and IBH, 1964.
MLA (9th ed.) CitationBEAR, Firman E. Chemistry of the Soil.: Firman E. Bear. 2nd ed. Oxfrord and IBH, 1964.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.