APA引文

Levi, M. (1994). Study guide for Economics and the modern world. Lexington, MA: D.C. Heath.

Trích dẫn kiểu Chicago

Levi, Maurice. Study Guide for Economics and the Modern World. Lexington, MA: D.C. Heath, 1994.

MLA引文

Levi, Maurice. Study Guide for Economics and the Modern World. Lexington, MA: D.C. Heath, 1994.

警告：這些引文格式不一定是100％准確.