APA aipamena

Higgins, J. W., Gaul, C., Gibbons, S., & Van Gyn, G. (2003). Factors Influencing Physical Activity Levels Among Canadian Youth. Can J Public Health.

Chicago Style aipamena

Higgins, Joan Wharf, Catherine Gaul, Sandra Gibbons, and Geraldine Van Gyn. "Factors Influencing Physical Activity Levels Among Canadian Youth." Can J Public Health 2003.

MLA aipamena

Higgins, Joan Wharf, Catherine Gaul, Sandra Gibbons, and Geraldine Van Gyn. "Factors Influencing Physical Activity Levels Among Canadian Youth." Can J Public Health 2003.