Thomas, R. M. (1990). The encyclopedia of human development and education: Theory, research, and studies (1. ed.). Pergamon Press.
Cita Chicago Style (17a ed.)Thomas, R. Murray. The Encyclopedia of Human Development and Education: Theory, Research, and Studies. 1. ed. Oxford [u.a.]: Pergamon Press, 1990.
Cita MLA (8a ed.)Thomas, R. Murray. The Encyclopedia of Human Development and Education: Theory, Research, and Studies. 1. ed. Pergamon Press, 1990.
Precaución: Estas citas no son 100% exactas.