Cita APA (7th ed.)
Clark, K. E. (1961). The Vocational Interests of Nonprofessional Men. University of Minnesota.
Cita Chicago (17th ed.)
Clark, Kenneth E. The Vocational Interests of Nonprofessional Men. Minneápolis, EUA: University of Minnesota, 1961.
Cita MLA (9th ed.)
Clark, Kenneth E. The Vocational Interests of Nonprofessional Men. University of Minnesota, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.