APA引文

Ong, G., & DENTISTRY, P. (2013). Delivery of periodontal therapy by general practitioners in Singapore.

Chicago Style Citation

Ong, G., and PREVENTIVE DENTISTRY. Delivery of Periodontal Therapy By General Practitioners in Singapore. 2013.

MLA引文

Ong, G., and PREVENTIVE DENTISTRY. Delivery of Periodontal Therapy By General Practitioners in Singapore. 2013.

警告：這些引文格式不一定是100％准確.