Arnold, O. (1975). The sacred ninety minutes - a close-up review of the service club movement: From its beginning in 1905 at Chicago to its present establishment worldwide (First edition.). Portals Press.
Chicago-Zitierstil (17. Ausg.)Arnold, Oren. The Sacred Ninety Minutes - a Close-up Review of the Service Club Movement: From Its Beginning in 1905 at Chicago to Its Present Establishment Worldwide. First edition. Tuscaloosa, AL: Portals Press, 1975.
MLA-Zitierstil (9. Ausg.)Arnold, Oren. The Sacred Ninety Minutes - a Close-up Review of the Service Club Movement: From Its Beginning in 1905 at Chicago to Its Present Establishment Worldwide. First edition. Portals Press, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.