Cita APA (7th ed.)

Irwin, R. (1983). Timeshare properties: What every buyer must know! New York : McGraw-Hill.

Cita Chicago (17th ed.)

Irwin, Robert. Timeshare Properties: What Every Buyer Must Know! New York : McGraw-Hill, 1983.

Cita MLA (9th ed.)

Irwin, Robert. Timeshare Properties: What Every Buyer Must Know! New York : McGraw-Hill, 1983.