Cita APA (7th ed.)

Irwin, R. (1993). Tips and traps for making money in real estate. McGraw-Hill.

Cita Chicago (17th ed.)

Irwin, Robert. Tips and Traps for Making Money in Real Estate. New York: McGraw-Hill, 1993.

Cita MLA (9th ed.)

Irwin, Robert. Tips and Traps for Making Money in Real Estate. McGraw-Hill, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.