Παραπομπή σε μορφή APA (7η εκδ.)

Irwin, R. (1998). Buy or sell real estate after the 1997 tax act: A guide for homeowners and investors. John Wiley and sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Irwin, Robert. Buy or Sell Real Estate After the 1997 Tax Act: A Guide for Homeowners and Investors. New York: John Wiley and sons, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Irwin, Robert. Buy or Sell Real Estate After the 1997 Tax Act: A Guide for Homeowners and Investors. John Wiley and sons, 1998.