APA引文

Bernt,Phyllis W, & Welss,Martin B H. (1993). International telecommunications. Sams.

Chicago Edition Citation

Bernt,Phyllis W, and Welss,Martin B H. International Telecommunications. Indiana: Sams, 1993.

MLA引文

Bernt,Phyllis W, and Welss,Martin B H. International Telecommunications. Sams, 1993.

警告：這些引文格式不一定是100％准確.