APA引文

Cheong, K. L. (1996). The environmental challenge to the competitiveness of petrochemical industry in Singapore.

Chicago Style (17th ed.) Citation

Cheong, Kin Leong. The Environmental Challenge to the Competitiveness of Petrochemical Industry in Singapore. 1996.

MLA引文

Cheong, Kin Leong. The Environmental Challenge to the Competitiveness of Petrochemical Industry in Singapore. 1996.

警告：這些引文格式不一定是100％准確.