Gaya APA

Swan, C. (1988). Study Guide For Baumol and Blinder's Economics Principles and Policy Fourth Edition . Amerika: Harcout Brace Jovanovich, Inc.

Gaya MLA

Swan, Craig. "Study Guide For Baumol and Blinder's Economics Principles and Policy Fourth Edition". Amerika: Harcout Brace Jovanovich, Inc, 1988. Text.