Gaya APA

Babcock, B. (1996). The Four Cardinal Principles of Trading : How the World's Top Traders Identify Trends. Cut Losses, Maximize Profits & Manage Risk (Ed. 1). America: IRWIN H..

Gaya MLA

Babcock, Bruce. "The Four Cardinal Principles of Trading : How the World's Top Traders Identify Trends. Cut Losses, Maximize Profits & Manage Risk". Ed. 1 America: IRWIN H., 1996. Text.