Dyfyniad APA

Osborn, A. D. (1968). The Prussian instructions: Rules for the alphabetical catalogs of the Prussian libraries. University Microfilms.

Dyfyniad Arddull Chicago

Osborn, Andrew Delbridge. The Prussian Instructions: Rules for the Alphabetical Catalogs of the Prussian Libraries. Ann Arbor, Mich: University Microfilms, 1968.

Dyfyniad MLA

Osborn, Andrew Delbridge. The Prussian Instructions: Rules for the Alphabetical Catalogs of the Prussian Libraries. University Microfilms, 1968.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.