Minnesota. University. Division of Library Instruction & Russell, H. G. (1951). The use of books and libraries (7th ed.). University of Minnesota Press.
Dyfyniad Arddull ChicagoMinnesota. University. Division of Library Instruction and Harold Garfield Russell. The Use of Books and Libraries. 7th ed. Minneapolis: University of Minnesota Press, 1951.
Dyfyniad MLAMinnesota. University. Division of Library Instruction and Harold Garfield Russell. The Use of Books and Libraries. 7th ed. University of Minnesota Press, 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.