APA
Broughton W J Ed, International conference on soil microbiology and plant nutrition (1976 : Kualalampur) & John C K Ed. (1979). Proceeding on soil microbiology and plant nutrition. Kulalampur: Penerbit Universiti Malaya.
Chicago
Broughton W J Ed, International conference on soil microbiology and plant nutrition (1976 : Kualalampur) and John C K Ed. 1979. Proceeding on soil microbiology and plant nutrition. Kulalampur: Penerbit Universiti Malaya.
Harvard
Broughton W J Ed, International conference on soil microbiology and plant nutrition (1976 : Kualalampur) and John C K Ed. (1979). Proceeding on soil microbiology and plant nutrition. Kulalampur: Penerbit Universiti Malaya.
MLA
Broughton W J Ed, International conference on soil microbiology and plant nutrition (1976 : Kualalampur) and John C K Ed. Proceeding on soil microbiology and plant nutrition. Kulalampur: Penerbit Universiti Malaya. 1979.
