Dyfyniad APA

McConnel,Campbell R. (1972). Economic issues: A book of readings (4.). McGraw Hill Book Company.

Dyfyniad Arddull Chicago

McConnel,Campbell R. Economic Issues: A Book of Readings. 4. New York: McGraw Hill Book Company, 1972.

Dyfyniad MLA

McConnel,Campbell R. Economic Issues: A Book of Readings. 4. McGraw Hill Book Company, 1972.

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