Cita APA

Biddle, S. J., & Ashford, B. (1988). Cognitions and perceptions of health and exercise.

Chicago Style Citation

Biddle, S J., i B. Ashford. Cognitions and Perceptions of Health and Exercise. 1988.

Cita MLA

Biddle, S J., i B. Ashford. Cognitions and Perceptions of Health and Exercise. 1988.