APA (7th ed.) Citation

Welsh Rugby Union. (1983). The Principles of rugby football: A manual for coaches and referees. Allen & Unwin.

Chicago Style (17th ed.) Citation

Welsh Rugby Union. The Principles of Rugby Football: A Manual for Coaches and Referees. London: Allen & Unwin, 1983.

MLA (9th ed.) Citation

Welsh Rugby Union. The Principles of Rugby Football: A Manual for Coaches and Referees. Allen & Unwin, 1983.

Warning: These citations may not always be 100% accurate.