APA (7th ed.) Citation

Wong, A. (1971). Retail marketing of petrol in Singapore.

Chicago Style (17th ed.) Citation

Wong, Ah-long. Retail Marketing of Petrol in Singapore. 1971.

MLA (8th ed.) Citation

Wong, Ah-long. Retail Marketing of Petrol in Singapore. 1971.

Warning: These citations may not always be 100% accurate.