Corbin, H. D. (1987). Recreation: Programming and leadership. Prentice Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Corbin, H. Dan. Recreation: Programming and Leadership. Englewood Cliffs, New Jersey: Prentice Hall, Inc, 1987.
Lua MLA (9ú heag.)Corbin, H. Dan. Recreation: Programming and Leadership. Prentice Hall, Inc, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.