APA引文

Association of Research Libraries. Systems and Procedures Exchange Center. (1973). SPEC kit. The Center.

Chicago Style (17th ed.) Citation

Association of Research Libraries. Systems and Procedures Exchange Center. SPEC Kit. Washington, D.C.: The Center, 1973.

MLA引文

Association of Research Libraries. Systems and Procedures Exchange Center. SPEC Kit. The Center, 1973.

警告：這些引文格式不一定是100％准確.