APA (7th ed.) Citation

Não informado. (1980). Principal. National Association of Elementary School Principals.

Chicago Style (17th ed.) Citation

Não informado. Principal. Arlington, Va: National Association of Elementary School Principals, 1980.

MLA (8th ed.) Citation

Não informado. Principal. National Association of Elementary School Principals, 1980.

Warning: These citations may not always be 100% accurate.