Cita APA (7th ed.)

HERR, E. L., & CRAMER, S. H. Career guidance through the life span: Systematic approach. Little.

Cita Chicago (17th ed.)

HERR, Edwin L., i Stanley H. CRAMER. Career Guidance Through the Life Span: Systematic Approach. Boston: Little.

Cita MLA (9th ed.)

HERR, Edwin L., i Stanley H. CRAMER. Career Guidance Through the Life Span: Systematic Approach. Little.