Cita APA (7th ed.)
Ferrez, J., & Floud, J. (1961). Ability and educational opportunity.
Cita Chicago (17th ed.)
Ferrez, Jean, i Jean Floud. Ability and Educational Opportunity. 1961.
Cita MLA (9th ed.)
Ferrez, Jean, i Jean Floud. Ability and Educational Opportunity. 1961.
Atenció: Aquestes cites poden no estar 100% correctes.