Herr, E. L., & Cramer, S. H. j. a. (1972). Vocational guidance and career development in the schools: Toward a system approach. Houghton Mifflin.
Цитирование в стиле Чикаго (17-е изд.)Herr, Edwin L., и Stanley H. joint auth Cramer. Vocational Guidance and Career Development in the Schools: Toward a System Approach. Boston: Houghton Mifflin, 1972.
Цитирование MLA (9-е изд.)Herr, Edwin L., и Stanley H. joint auth Cramer. Vocational Guidance and Career Development in the Schools: Toward a System Approach. Houghton Mifflin, 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.