APA引文

Singapore Council of Social Service. (1979). Social service directory ([2d ed.].). Singapore Council of Social Service.

Chicago Style (17th ed.) Citation

Singapore Council of Social Service. Social Service Directory. [2d ed.]. Singapore: Singapore Council of Social Service, 1979.

MLA引文

Singapore Council of Social Service. Social Service Directory. [2d ed.]. Singapore Council of Social Service, 1979.

警告：這些引文格式不一定是100％准確.