Dyfyniad APA

SAMUELSON, P. A. (1973). Readings in economics (7th ed.). Tata McGraw-Hill.

Dyfyniad Arddull Chicago

SAMUELSON, Paul A. Readings in Economics. 7th ed. New Delhi: Tata McGraw-Hill, 1973.

Dyfyniad MLA

SAMUELSON, Paul A. Readings in Economics. 7th ed. Tata McGraw-Hill, 1973.

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