APA引文

Sommers, C., & Christina Sommers; Fred Sommers. An: Introductory readings in ethics. Australia,Belmont, CA.

Trích dẫn kiểu Chicago

Sommers, Christina, và Christina Sommers; Fred Sommers. An: Introductory Readings in Ethics. Australia,Belmont, CA.

MLA引文

Sommers, Christina, và Christina Sommers; Fred Sommers. An: Introductory Readings in Ethics. Australia,Belmont, CA.

警告：这些引文格式不一定是100％准确.