APA-referens (7:e uppl.)

Canadian. Institute of Travel Counsellors of Ontario. (1977). Principles and procedures of travel counselling (3rd ed. rev. and enl.). Canadian Institute of Travel Counsellors of Ontario.

Chicago-referens (17:e uppl.)

Canadian. Institute of Travel Counsellors of Ontario. Principles and Procedures of Travel Counselling. 3rd ed. rev. and enl. Toronto, Ont: Canadian Institute of Travel Counsellors of Ontario, 1977.

MLA-referens (9:e uppl.)

Canadian. Institute of Travel Counsellors of Ontario. Principles and Procedures of Travel Counselling. 3rd ed. rev. and enl. Canadian Institute of Travel Counsellors of Ontario, 1977.