Bellack, A. S., & Hersen, M. (1977). Behavior modification: An introductory textbook. Williams & Wilkins.
Chicago Style (17th ed.) CitationBellack, Alan S., and Michel Hersen. Behavior Modification: An Introductory Textbook. Baltimore: Williams & Wilkins, 1977.
ציטוט MLABellack, Alan S., and Michel Hersen. Behavior Modification: An Introductory Textbook. Williams & Wilkins, 1977.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.