APA ציטוט

Samuelson, P. A. (1964). Economics: An introductory analysis. New York: McGraw-hill.

Trích dẫn kiểu Chicago

Samuelson, Paul Anthony. Economics: An Introductory Analysis. New York: McGraw-hill, 1964.

ציטוט MLA

Samuelson, Paul Anthony. Economics: An Introductory Analysis. New York: McGraw-hill, 1964.