APA引文

Udofia, C. I. (1981). Africa and the international telecommunication union. Wayne State University.

Chicago Style (17th ed.) Citation

Udofia, Callix Ime. Africa and the International Telecommunication Union. Detroit, Michigan: Wayne State University, 1981.

MLA引文

Udofia, Callix Ime. Africa and the International Telecommunication Union. Wayne State University, 1981.

警告：這些引文格式不一定是100％准確.