APA引文

Leedy, P. D. (2001). Practical research: Planning and design. Merrill Prentice Hall.

Trích dẫn kiểu Chicago

Leedy, Paul D. Practical Research: Planning and Design. Merrill Prentice Hall, 2001.

MLA引文

Leedy, Paul D. Practical Research: Planning and Design. Merrill Prentice Hall, 2001.

警告：这些引文格式不一定是100％准确.