APA
(1964). Report on a visit to Nigeria (9th-30th May, 1963)undertaken to make a preliminary study of root diseases of rubber. Malaysia: RRIM.
Chicago
1964. Report on a visit to Nigeria (9th-30th May, 1963)undertaken to make a preliminary study of root diseases of rubber. Malaysia: RRIM.
Harvard
(1964). Report on a visit to Nigeria (9th-30th May, 1963)undertaken to make a preliminary study of root diseases of rubber. Malaysia: RRIM.
MLA
Report on a visit to Nigeria (9th-30th May, 1963)undertaken to make a preliminary study of root diseases of rubber. Malaysia: RRIM. 1964.