Trawick, A. M. (1912). College men and community service. Assoc. Press.
Lua i Stíl Chicago (17ú heag.)Trawick, A. M. College Men and Community Service. New York: Assoc. Press, 1912.
Lua MLA (8ú heag.)Trawick, A. M. College Men and Community Service. Assoc. Press, 1912.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.