369916 Hoppock, R. (1967). Occupational information: Where to get it and how to use it in counseling and in teaching. New York : McGraw-Hill.
Citace podle Chicago (17th ed.)369916 Hoppock, Robert. Occupational Information: Where to Get It and How to Use It in Counseling and in Teaching. New York : McGraw-Hill, 1967.
Citace podle MLA (9th ed.)369916 Hoppock, Robert. Occupational Information: Where to Get It and How to Use It in Counseling and in Teaching. New York : McGraw-Hill, 1967.
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