Zytowski, Donald G. Psychological influences on vocational development Donald G. Zytowski. - Boston Houghton Mifflin c1970. - xiv, 99 p. ill. 23 cm. - Guidance monograph series : Series 4, Career information and development . Includes index. Bibliography: p. 89-95. Subjects--Topical Terms: Psychology, IndustrialVocational guidanceWork--Psychological aspects. LC Class. No.: HF5548.8