National Society for the Study of Education. Committee on Metropolitanism & Havighurst, R. J. (1968). Metropolitanism: Its challenge to education. NSEE.
Cita Chicago (17th ed.)National Society for the Study of Education. Committee on Metropolitanism i Robert James Havighurst. Metropolitanism: Its Challenge to Education. Chicago: NSEE, 1968.
Cita MLA (9th ed.)National Society for the Study of Education. Committee on Metropolitanism i Robert James Havighurst. Metropolitanism: Its Challenge to Education. NSEE, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.