(1995). Bookbase: A guide to McGraw-Hill Publications. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoBookbase: A Guide to McGraw-Hill Publications. New York: McGraw-Hill, 1995.
Dyfyniad MLABookbase: A Guide to McGraw-Hill Publications. New York: McGraw-Hill, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.