Economics: Principles, Problems, and Policies. McGraw-Hill/Irwin.
शिकागो स्टाइल उद्धरणEconomics: Principles, Problems, and Policies. McGraw-Hill/Irwin.
एमएलए उद्धरणEconomics: Principles, Problems, and Policies. McGraw-Hill/Irwin.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.