APA ציטוט

Samuelson, P. A. (2011). Economics (19th.). Mcgraw hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul A. Economics. 19th. New Delhi: Mcgraw hill, 2011.

ציטוט MLA

Samuelson, Paul A. Economics. 19th. Mcgraw hill, 2011.