Cita APA (7th ed.)

Herr, E. L., & Cramer, S. H. j. a. (1972). Vocational guidance and career development in the schools: Toward a system approach. Houghton Mifflin.

Cita Chicago (17th ed.)

Herr, Edwin L., i Stanley H. joint auth Cramer. Vocational Guidance and Career Development in the Schools: Toward a System Approach. Boston: Houghton Mifflin, 1972.

Cita MLA (9th ed.)

Herr, Edwin L., i Stanley H. joint auth Cramer. Vocational Guidance and Career Development in the Schools: Toward a System Approach. Houghton Mifflin, 1972.