Cita APA (7th ed.)
Williams, P. (1979). Planning teacher demand supply. Unesco.
Cita Chicago (17th ed.)
Williams, Peter. Planning Teacher Demand Supply. Paris: Unesco, 1979.
Cita MLA (9th ed.)
Williams, Peter. Planning Teacher Demand Supply. Unesco, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.