APA-referens (7:e uppl.)

Crowe, R. B., McKay, G. A., & Baker, W. M. (1973). The tourist and outdoor recreation climate of Ontario. Dept. of the Environment, Atmospheric Environment Service, Meteorological Application Branch.

Chicago-referens (17:e uppl.)

Crowe, R. B., G. A. McKay, och W. M. Baker. The Tourist and Outdoor Recreation Climate of Ontario. Toronto: Dept. of the Environment, Atmospheric Environment Service, Meteorological Application Branch, 1973.

MLA-referens (8:e uppl.)

Crowe, R. B., et al. The Tourist and Outdoor Recreation Climate of Ontario. Dept. of the Environment, Atmospheric Environment Service, Meteorological Application Branch, 1973.