APA استشهاد

Samuelson , P. A., & Nordhaus, W. . D. S. c. (2013). Macroeconomics (19.). Tata Mc Graw Hill Education Private Limited.

استشهاد بنمط شيكاغو

Samuelson , Paul A., و William D Sudip chaudhuri Nordhaus. Macroeconomics. 19. New Delhi: Tata Mc Graw Hill Education Private Limited, 2013.

MLA استشهاد

Samuelson , Paul A., و William D Sudip chaudhuri Nordhaus. Macroeconomics. 19. Tata Mc Graw Hill Education Private Limited, 2013.