APA引文

Teo, P., Huang, S., & GEOGRAPHY. (2011). Tourism and heritage conservation in Singapore.

Chicago Style Citation

Teo, P., S. Huang, and GEOGRAPHY. Tourism and Heritage Conservation in Singapore. 2011.

MLA引文

Teo, P., S. Huang, and GEOGRAPHY. Tourism and Heritage Conservation in Singapore. 2011.

警告：這些引文格式不一定是100％准確.