Lehmann-Haupt, H. (1951). The Book in America: A history of the making and selling of books in the United States (2nd rev. and enl. American ed.). Bowker.
Dyfyniad Arddull ChicagoLehmann-Haupt, Hellmut. The Book in America: A History of the Making and Selling of Books in the United States. 2nd rev. and enl. American ed. New York: Bowker, 1951.
Dyfyniad MLALehmann-Haupt, Hellmut. The Book in America: A History of the Making and Selling of Books in the United States. 2nd rev. and enl. American ed. Bowker, 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.