Gaya APA

Roberts, R. (2001). Real Wealth by Investing in Real Estate : Build Big Bucks In Any Economiy by Buying and Selling Real Estate . Prentice Hall: Prentice Hall.

Gaya MLA

Roberts, Ralph.R. "Real Wealth by Investing in Real Estate : Build Big Bucks In Any Economiy by Buying and Selling Real Estate". Prentice Hall: Prentice Hall, 2001. Text.