Malty, A. (1944). Sayer's manual of classification for librarians (5th ed.). Gralton book.
Dyfyniad Arddull ChicagoMalty, Arthur. Sayer's Manual of Classification for Librarians. 5th ed. London: Gralton book, 1944.
Dyfyniad MLAMalty, Arthur. Sayer's Manual of Classification for Librarians. 5th ed. Gralton book, 1944.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.