Lock, Robert D. Taking charge of your career direction Robert D. Lock - 4th ed. - Australia Brooks/Cole c2000. - xvi, 395p. 23 cm. - Career planning guides bk. 1 . - (Career planning guides). . ISBN: 0534356176. Subjects--Uniform Titles: Vocational guidance LC Class. No.: RNF HF 5381 L6 2000