Collier, T. (1995). Business planning in the leisure industry. Pitman Pub.
Lua i Stíl Chicago (17ú heag.)Collier, Terry. Business Planning in the Leisure Industry. London: Pitman Pub, 1995.
Lua MLA (9ú heag.)Collier, Terry. Business Planning in the Leisure Industry. Pitman Pub, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.