APA ציטוט

Byrd, O. E. (1966). Health 7, health, safety, fitness. Laidlaw.

Chicago Style (17th ed.) Citation

Byrd, Oliver E. Health 7, Health, Safety, Fitness. River Forest, Ill: Laidlaw, 1966.

ציטוט MLA

Byrd, Oliver E. Health 7, Health, Safety, Fitness. Laidlaw, 1966.