Lua APA (7ú heag.)

National Strength & Conditioning Association (U.S.) & Jeffreys, I. (2013). Developing speed. Human Kinetics.

Lua i Stíl Chicago (17ú heag.)

National Strength & Conditioning Association (U.S.) agus Ian Jeffreys. Developing Speed. Champaign, IL: Human Kinetics, 2013.

Lua MLA (9ú heag.)

National Strength & Conditioning Association (U.S.) agus Ian Jeffreys. Developing Speed. Human Kinetics, 2013.

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