APA引文

Belden Associates (Dallas, Tex.). (1986). Belden research methodology. s.n..

Chicago Style (17th ed.) Citation

Belden Associates (Dallas, Tex.). Belden Research Methodology. [S.l.: s.n., 1986.

MLA引文

Belden Associates (Dallas, Tex.). Belden Research Methodology. s.n., 1986.

警告：這些引文格式不一定是100％准確.