APA-viite (7. p.)

National Association of Secondary School Principals (U.S.). (1981). Schools in the middle. The Association.

Chicago-viite (17. p.)

National Association of Secondary School Principals (U.S.). Schools in the Middle. Reston, Va.: The Association, 1981.

MLA-viite (9. p.)

National Association of Secondary School Principals (U.S.). Schools in the Middle. The Association, 1981.