Giller, K. E. . [. (2001). Nitrogen fixation in tropical cropping systems [ (2nd ed.). CABI.
Chicago Style (17th ed.) CitationGiller, K. E. []. Nitrogen Fixation in Tropical Cropping Systems [. 2nd ed. Wallingford, Oxon, UK: CABI, 2001.
MLA (9th ed.) CitationGiller, K. E. []. Nitrogen Fixation in Tropical Cropping Systems [. 2nd ed. CABI, 2001.
Warning: These citations may not always be 100% accurate.