APA引文

Frazier, L., & Mills, R. Northstar: Listening and speaking (3a ed.).

Chicago Style (17th ed.) Citation

Frazier, Laurice, and Robin Mills. Northstar: Listening and Speaking. 3a ed.

MLA引文

Frazier, Laurice, and Robin Mills. Northstar: Listening and Speaking. 3a ed.

警告：這些引文格式不一定是100％准確.