APA ציטוט

Clayton, G. E. (2001). Economics: Principles & Practices. McGraw - HillCompanies, Inc.

Trích dẫn kiểu Chicago

Clayton, Gary E. Economics: Principles & Practices. McGraw - HillCompanies, Inc, 2001.

ציטוט MLA

Clayton, Gary E. Economics: Principles & Practices. McGraw - HillCompanies, Inc, 2001.