U.S.Office of Education. (1971). Educaton Directory. State Government.
Chicago Edition CitationU.S.Office of Education. Educaton Directory. Washington: State Government, 1971.
ציטוט MLAU.S.Office of Education. Educaton Directory. State Government, 1971.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.