APA-Zitierstil (7. Ausg.)

Hoppock, R. (1976). Occupational information: Where to get it and how to use it in career education, career counseling, and career development (4. ed.). McGraw-Hill.

Chicago-Zitierstil (17. Ausg.)

Hoppock, Robert. Occupational Information: Where to Get It and How to Use It in Career Education, Career Counseling, and Career Development. 4. ed. New York [u.a.]: McGraw-Hill, 1976.

MLA-Zitierstil (9. Ausg.)

Hoppock, Robert. Occupational Information: Where to Get It and How to Use It in Career Education, Career Counseling, and Career Development. 4. ed. McGraw-Hill, 1976.