Παραπομπή APA

O'Donnell, P. T., & Maleady, E. L. (1975). Principles of Real Estate. W.B. Sauders.

Παραπομπή Chicago Style

O'Donnell, Paul T., και Eugene L. Maleady. Principles of Real Estate. Philadelphia: W.B. Sauders, 1975.

Παραπομπή MLA

O'Donnell, Paul T., και Eugene L. Maleady. Principles of Real Estate. W.B. Sauders, 1975.