APA引文

National Association of Elementary School Principals (U.S.). (1980). Principal. National Association of Elementary School Principals.

Chicago Style (17th ed.) Citation

National Association of Elementary School Principals (U.S.). Principal. Arlington, Va.: National Association of Elementary School Principals, 1980.

MLA引文

National Association of Elementary School Principals (U.S.). Principal. National Association of Elementary School Principals, 1980.

警告：這些引文格式不一定是100％准確.