Gates, J. K. (1962). Guide to the use of books and libraries (3rd ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoGates, Jean Key. Guide to the Use of Books and Libraries. 3rd ed. New York: McGraw-Hill, 1962.
Dyfyniad MLAGates, Jean Key. Guide to the Use of Books and Libraries. 3rd ed. McGraw-Hill, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.