APA (7th ed.) Citation

Okposin, Ong, & Abdul Halim Abdul Hamid. (1999). The changing phases of Malaysian economy. Asean Academic Press.

Chicago Style (17th ed.) Citation

Okposin, Ong, and Abdul Halim Abdul Hamid. The Changing Phases of Malaysian Economy. London: Asean Academic Press, 1999.

MLA (8th ed.) Citation

Okposin, et al. The Changing Phases of Malaysian Economy. Asean Academic Press, 1999.