APA引文

Singapore Book Publishers Association. Directory of members - Singapore Book Publishers Association. Singapore Book Publishers Association.

Chicago Style (17th ed.) Citation

Singapore Book Publishers Association. Directory of Members - Singapore Book Publishers Association. [Singapore]: Singapore Book Publishers Association.

MLA引文

Singapore Book Publishers Association. Directory of Members - Singapore Book Publishers Association. Singapore Book Publishers Association.

警告：這些引文格式不一定是100％准確.