Holtje, B. (1982). Successful real estate negotiation strategy. John Wiley and Sons.
Cita Chicago (17th ed.)Holtje, Bert. Successful Real Estate Negotiation Strategy. John Wiley and Sons, 1982.
Cita MLA (9th ed.)Holtje, Bert. Successful Real Estate Negotiation Strategy. John Wiley and Sons, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.