APA引文

(1972). A look at business in 1990. Washington: U. S Government Printing Office.

Trích dẫn kiểu Chicago

A Look At Business in 1990. Washington: U. S Government Printing Office, 1972.

MLA引文

A Look At Business in 1990. Washington: U. S Government Printing Office, 1972.

警告：这些引文格式不一定是100％准确.