Münsterberg, H. (1912). Vocation and learning. The Peoples university.
Lua i Stíl Chicago (17ú heag.)Münsterberg, Hugo. Vocation and Learning. University City, St. Louis, Mo.: The Peoples university, 1912.
Lua MLA (8ú heag.)Münsterberg, Hugo. Vocation and Learning. The Peoples university, 1912.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.