APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.