MDRT. (1999). MILLION DOLLAR CLOSING TECHNIQUES. JOHN WILEY AND SONS.
Cita Chicago (17th ed.)MDRT. MILLION DOLLAR CLOSING TECHNIQUES. NEW YORK: JOHN WILEY AND SONS, 1999.
Cita MLA (9th ed.)MDRT. MILLION DOLLAR CLOSING TECHNIQUES. JOHN WILEY AND SONS, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.