Lua APA (7ú heag.)

Petroff, T., & Clary, J. T. (1990). Softball hitting: Fast and slow pitch. Athletic Institute.

Lua i Stíl Chicago (17ú heag.)

Petroff, Tom, agus Jack T. Clary. Softball Hitting: Fast and Slow Pitch. North Palm Beach, Fla.: Athletic Institute, 1990.

Lua MLA (9ú heag.)

Petroff, Tom, agus Jack T. Clary. Softball Hitting: Fast and Slow Pitch. Athletic Institute, 1990.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.