APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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