APA引文

Bertha J. Naterop. (2002). Business letters for all. Oxford, NY: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Bertha J. Naterop. Business Letters for All. Oxford, NY: Oxford Univ. Press, 2002.

MLA引文

Bertha J. Naterop. Business Letters for All. Oxford, NY: Oxford Univ. Press, 2002.

警告：這些引文格式不一定是100％准確.