APA
(1967). Final report of the technical officer (soil fertility - UNSF Rubber development project: FAO/UNDP Project 176). Hat Yai: RRC.
Chicago
1967. Final report of the technical officer (soil fertility - UNSF Rubber development project: FAO/UNDP Project 176). Hat Yai: RRC.
Harvard
(1967). Final report of the technical officer (soil fertility - UNSF Rubber development project: FAO/UNDP Project 176). Hat Yai: RRC.
MLA
Final report of the technical officer (soil fertility - UNSF Rubber development project: FAO/UNDP Project 176). Hat Yai: RRC. 1967.