APA
Chu Y. P., Lee Y. H., Engku Abdul Rahman bin Chik, Forest Research Institute (Malaysia), Lembaga Perindustrian Kayu Malaysia & Malaysia. (1979). The strength properties of some Malaysian timbers. Kuala Lumpur: Malaysian Timber Industry Board.
Chicago
Chu Yue Pun, Lee Yew Hon, Engku Abdul Rahman bin Chik, Forest Research Institute (Malaysia), Lembaga Perindustrian Kayu Malaysia and Malaysia. 1979. The strength properties of some Malaysian timbers. Kuala Lumpur: Malaysian Timber Industry Board.
Harvard
Chu Y. P., Lee Y. H., Engku Abdul Rahman bin Chik, Forest Research Institute (Malaysia), Lembaga Perindustrian Kayu Malaysia and Malaysia. (1979). The strength properties of some Malaysian timbers. Kuala Lumpur: Malaysian Timber Industry Board.
MLA
Chu Yue Pun, Lee Yew Hon, Engku Abdul Rahman bin Chik, Forest Research Institute (Malaysia), Lembaga Perindustrian Kayu Malaysia and Malaysia. The strength properties of some Malaysian timbers. Kuala Lumpur: Malaysian Timber Industry Board. 1979.