APA引文

Kho, Y. H., Sng, Y. C., Thong, G. E. H., & Henderson, J. C. (2008). Domestic tourism in Singapore.

Chicago Style Citation

Kho, Yun Hua., Yee Chin Sng, Grace En Hui Thong, and Joan C. Henderson. Domestic Tourism in Singapore. 2008.

MLA引文

Kho, Yun Hua., Yee Chin Sng, Grace En Hui Thong, and Joan C. Henderson. Domestic Tourism in Singapore. 2008.

警告：這些引文格式不一定是100％准確.