Não informado. (1934). Occupations: The vocational guidance journal. National Vocational Guidance Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Occupations: The Vocational Guidance Journal. New York: National Vocational Guidance Association, 1934.
MLA-Zitierstil (8. Ausg.)Não informado. Occupations: The Vocational Guidance Journal. National Vocational Guidance Association, 1934.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.