APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

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