APA aipamena

Hatfield, M. (2005). Strength training for muscle development: A step-by-step guide, improve your strength, 20-minute workouts. Greenwich.

Chicago Style aipamena

Hatfield, Mark. Strength Training for Muscle Development: A Step-by-step Guide, Improve Your Strength, 20-minute Workouts. London: Greenwich, 2005.

MLA aipamena

Hatfield, Mark. Strength Training for Muscle Development: A Step-by-step Guide, Improve Your Strength, 20-minute Workouts. Greenwich, 2005.