Gregory, I. (1977). Psychiatry: Essentials of clinical practice with examination questions, answer, and comments. Little, Brown.
Цитирование в стиле Чикаго (17-е изд.)Gregory, Ian. Psychiatry: Essentials of Clinical Practice with Examination Questions, Answer, and Comments. Little, Brown, 1977.
Цитирование MLA (9-е изд.)Gregory, Ian. Psychiatry: Essentials of Clinical Practice with Examination Questions, Answer, and Comments. Little, Brown, 1977.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.