Tohutoro APA (7th ed.)

Eckes, A. E. (2009). U.S. trade issues: A reference handbook. ABC-CLIO.

Tohutoru Kātū Chicago (17th ed.)

Eckes, Alfred E. U.S. Trade Issues: A Reference Handbook. Santa Barbara, Calif.: ABC-CLIO, 2009.

Tohutoro MLA (9th ed.)

Eckes, Alfred E. U.S. Trade Issues: A Reference Handbook. ABC-CLIO, 2009.