ISBN-13: 9780367133290 / Angielski / Twarda / 2019 / 234 str.
ISBN-13: 9780367133290 / Angielski / Twarda / 2019 / 234 str.
Originally published in 1950, the aim of this title was to bring the general problems of personality description and development, normal and abnormal, into a single perspective and to integrate the principle fields of observation in clear cut generalizations.