Greenwood, J. (2004). Think rugby: A guide to purposeful team play (4th ed.). A & C Black.
Lua i Stíl Chicago (17ú heag.)Greenwood, Jim. Think Rugby: A Guide to Purposeful Team Play. 4th ed. London: A & C Black, 2004.
Lua MLA (8ú heag.)Greenwood, Jim. Think Rugby: A Guide to Purposeful Team Play. 4th ed. A & C Black, 2004.
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