Παραπομπή σε μορφή APA (7η εκδ.)

Williams, G. (1967). Modern rugby: A comprehensive guide for player and coach (2nd ed.). Stanley Paul.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Williams, Gerwyn. Modern Rugby: A Comprehensive Guide for Player and Coach. 2nd ed. London: Stanley Paul, 1967.

Παραπομπή σε μορφή MLA (8th εκδ.)

Williams, Gerwyn. Modern Rugby: A Comprehensive Guide for Player and Coach. 2nd ed. Stanley Paul, 1967.