Tyack, D. B. (1967). Turning points in American educational history. Blaidsdell.
Chicago Style (17th ed.) CitationTyack, David B. Turning Points in American Educational History. Massachusets: Blaidsdell, 1967.
ציטוט MLATyack, David B. Turning Points in American Educational History. Blaidsdell, 1967.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.