Ball, S. (1987). Classroom management: Principles to practice. Croom Helm.
Chicago Style (17th ed.) CitationBall, Shirley. Classroom Management: Principles to Practice. London: Croom Helm, 1987.
ציטוט MLABall, Shirley. Classroom Management: Principles to Practice. Croom Helm, 1987.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.