APA ציטוט

Samuelson, P. A. (2005). Economics (7th omson.). Thomson.

Chicago Style (17th ed.) Citation

Samuelson, Paul A. Economics. 7th omson. South- Western/Th Learning: Thomson, 2005.

ציטוט MLA

Samuelson, Paul A. Economics. 7th omson. Thomson, 2005.