Earl, B. (1963). Groups and fields: A programmed unit in modern education ed by J William Moore and Wendell I Smith.
Dyfyniad Arddull ChicagoEarl, Boyd. Groups and Fields: A Programmed Unit in Modern Education Ed by J William Moore and Wendell I Smith. 1963.
Dyfyniad MLAEarl, Boyd. Groups and Fields: A Programmed Unit in Modern Education Ed by J William Moore and Wendell I Smith. 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.