APA (7e ed.) Bronvermelding

SHERTZER, B., & STONE, S. C. (1976). Fundamentals of guidance.--Ed.3. Houghton Mifflin Co.

Chicago (17e ed.) Bronvermelding

SHERTZER, Bruce, en Shelley C. STONE. Fundamentals of Guidance.--Ed.3. Boston: Houghton Mifflin Co, 1976.

MLA (9e ed.) Bronvermelding

SHERTZER, Bruce, en Shelley C. STONE. Fundamentals of Guidance.--Ed.3. Houghton Mifflin Co, 1976.