Raths, L. E., Harmin, M., & Simon, S. B. (1966). Values and teaching: Working with values in the classroom. C.E. Merrill Books.
Dyfyniad Arddull ChicagoRaths, Louis Edward, Merrill Harmin, and Sidney B. Simon. Values and Teaching: Working with Values in the Classroom. Columbus, Ohio: C.E. Merrill Books, 1966.
Dyfyniad MLARaths, Louis Edward, et al. Values and Teaching: Working with Values in the Classroom. C.E. Merrill Books, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.