Greenwood, J. (2004). Think rugby: A guide to purposeful team play (4th ed.). A & C Black.
Chicago-referens (17:e uppl.)Greenwood, Jim. Think Rugby: A Guide to Purposeful Team Play. 4th ed. London: A & C Black, 2004.
MLA-referens (8:e uppl.)Greenwood, Jim. Think Rugby: A Guide to Purposeful Team Play. 4th ed. A & C Black, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.