APA引文

Singapore Manufacturers Association. (1971). SMA directory. Singapore: Singapore Manufacturers Association.

Trích dẫn kiểu Chicago

Singapore Manufacturers Association. SMA Directory. Singapore: Singapore Manufacturers Association, 1971.

MLA引文

Singapore Manufacturers Association. SMA Directory. Singapore: Singapore Manufacturers Association, 1971.

警告：這些引文格式不一定是100％准確.