APA aipamena

Holtje, B. (1982). Successful real estate negotiation strategy. John Wiley and Sons.

Chicago Style aipamena

Holtje, Bert. Successful Real Estate Negotiation Strategy. John Wiley and Sons, 1982.

MLA aipamena

Holtje, Bert. Successful Real Estate Negotiation Strategy. John Wiley and Sons, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.