Eugene Ehrlich. (2000). Schaum's outline of theory and problems of English grammar. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoEugene Ehrlich. Schaum's Outline of Theory and Problems of English Grammar. New York: McGraw-Hill, 2000.
Dyfyniad MLAEugene Ehrlich. Schaum's Outline of Theory and Problems of English Grammar. New York: McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.