APA সাইটেশন

U.S.Office of Education. (1971). Educaton Directory. State Government.

শিকাগো স্টাইলে সাইটেশন

U.S.Office of Education. Educaton Directory. Washington: State Government, 1971.

এমএলএ সাইটেশন

U.S.Office of Education. Educaton Directory. State Government, 1971.