APA

(1986). Primary commodities. Kuala Lumpur: Institute of Stragegic & International Studies.

Chicago

1986. Primary commodities. Kuala Lumpur: Institute of Stragegic & International Studies.

Harvard

(1986). Primary commodities. Kuala Lumpur: Institute of Stragegic & International Studies.

MLA

Primary commodities. Kuala Lumpur: Institute of Stragegic & International Studies. 1986.