Παραπομπή σε μορφή APA (7η εκδ.)

Detz, J. (2005). Ultimate core ball workout: Strengthening and sculpting exercises with over 200 step-by-step photos. Ulysses Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Detz, Jeanine. Ultimate Core Ball Workout: Strengthening and Sculpting Exercises with over 200 Step-by-step Photos. Berkley: Ulysses Press, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Detz, Jeanine. Ultimate Core Ball Workout: Strengthening and Sculpting Exercises with over 200 Step-by-step Photos. Ulysses Press, 2005.