Cita APA (7th ed.)

Samuelson, P. A. &. o. (2010). Economics - 19th Edition. Tata Mc Graw Hill Education Pvt. Ltd.

Cita Chicago (17th ed.)

Samuelson, Paul A. & others. Economics - 19th Edition. New Delhi: Tata Mc Graw Hill Education Pvt. Ltd, 2010.

Cita MLA (9th ed.)

Samuelson, Paul A. & others. Economics - 19th Edition. Tata Mc Graw Hill Education Pvt. Ltd, 2010.