Cita APA (7th ed.)

Betts, R. M., & Ely, S. J. (1998). Basic real estate appraisal (4th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Betts, Richard M., i Silas J. Ely. Basic Real Estate Appraisal. 4th ed. Upper Saddle River, N.J: Prentice-Hall, 1998.

Cita MLA (9th ed.)

Betts, Richard M., i Silas J. Ely. Basic Real Estate Appraisal. 4th ed. Prentice-Hall, 1998.