Herr, E. L., & Cramer, S. H. (1972). Vocational guidance and career development in the schools: Toward a systems approach. Houghton Mifflin Company.
Chicago-Zitierstil (17. Ausg.)Herr, Edwin L., und Stanley H. Cramer. Vocational Guidance and Career Development in the Schools: Toward a Systems Approach. Boston: Houghton Mifflin Company, 1972.
MLA-Zitierstil (9. Ausg.)Herr, Edwin L., und Stanley H. Cramer. Vocational Guidance and Career Development in the Schools: Toward a Systems Approach. Houghton Mifflin Company, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.