Dyfyniad APA

Samuelson, P. A., & John R. Coleman and Felicity Skidmore. (1955). Readings in economics/5e (5th ed.). McGraw Hill.

Dyfyniad Arddull Chicago

Samuelson, Paul A., and John R. Coleman and Felicity Skidmore. Readings in Economics/5e. 5th ed. New York: McGraw Hill, 1955.

Dyfyniad MLA

Samuelson, Paul A., and John R. Coleman and Felicity Skidmore. Readings in Economics/5e. 5th ed. McGraw Hill, 1955.

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