APA
(1967). Report of the conference of natural rubber producing countries 2-4 October 1967 Malaysia. Kuala Lumpur: Di chitak.
Chicago
1967. Report of the conference of natural rubber producing countries 2-4 October 1967 Malaysia. Kuala Lumpur: Di chitak.
Harvard
(1967). Report of the conference of natural rubber producing countries 2-4 October 1967 Malaysia. Kuala Lumpur: Di chitak.
MLA
Report of the conference of natural rubber producing countries 2-4 October 1967 Malaysia. Kuala Lumpur: Di chitak. 1967.