Giller, K. E. (1991). Nitrogen fixation in tropical cropping systems. Gran Bretaña: C.A.B. International.
Chicago Style CitationGiller, Ken E. Nitrogen Fixation in Tropical Cropping Systems. Gran Bretaña: C.A.B. International, 1991.
MLA CitationGiller, Ken E. Nitrogen Fixation in Tropical Cropping Systems. Gran Bretaña: C.A.B. International, 1991.
Warning: These citations may not always be 100% accurate.