APA引文

Pence, G. E. (2007). The elements of bioethics. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Pence, Gregory E. The Elements of Bioethics. Boston: McGraw-Hill, 2007.

MLA引文

Pence, Gregory E. The Elements of Bioethics. Boston: McGraw-Hill, 2007.

警告：這些引文格式不一定是100％准確.