369916 Hoppock, R. (1967). Occupational information: Where to get it and how to use it in counseling and in teaching. New York : McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)369916 Hoppock, Robert. Occupational Information: Where to Get It and How to Use It in Counseling and in Teaching. New York : McGraw-Hill, 1967.
Lua MLA (9ú heag.)369916 Hoppock, Robert. Occupational Information: Where to Get It and How to Use It in Counseling and in Teaching. New York : McGraw-Hill, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.