Dyfyniad APA

Brown, A. A. (1971). Perspectives in economics: Economists look at thier fields of study. McGraw-Hill.

Dyfyniad Arddull Chicago

Brown, Alan A. Perspectives in Economics: Economists Look at Thier Fields of Study. New York: McGraw-Hill, 1971.

Dyfyniad MLA

Brown, Alan A. Perspectives in Economics: Economists Look at Thier Fields of Study. McGraw-Hill, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.