APA

Landreth H., . (1976). History of economic theory. Boston, Mass. [u.a.]: Houghton Mifflin Co.

Chicago

Landreth Harry, . 1976. History of economic theory. Boston, Mass. [u.a.]: Houghton Mifflin Co.

Harvard

Landreth H., . (1976). History of economic theory. Boston, Mass. [u.a.]: Houghton Mifflin Co.

MLA

Landreth Harry, . History of economic theory. Boston, Mass. [u.a.]: Houghton Mifflin Co. 1976.