Hoppock, Robert Occupational information: where to get it and how to use it in counseling and in teaching Robert Hoppock. - 4th ed. - New York McGraw-Hill c1976. - 383 p. 24 cm. Includes bibliographical references (p. 351-369) and indexes. ISBN: 0070303304 Subjects--Topical Terms: Vocational guidanceGroup guidance in education. LC Class. No.: HF5381 / .H582 1976 Dewey Class. No.: 371.42/5