Não informado. (1934). Occupations: The vocational guidance journal. National Vocational Guidance Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Occupations: The Vocational Guidance Journal. New York: National Vocational Guidance Association, 1934.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Occupations: The Vocational Guidance Journal. National Vocational Guidance Association, 1934.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.