Osborn, A. D. (1968). The Prussian instructions: Rules for the alphabetical catalogs of the Prussian libraries. University Microfilms.
Citace podle Chicago (17th ed.)Osborn, Andrew Delbridge. The Prussian Instructions: Rules for the Alphabetical Catalogs of the Prussian Libraries. Ann Arbor, Mich: University Microfilms, 1968.
Citace podle MLA (8th ed.)Osborn, Andrew Delbridge. The Prussian Instructions: Rules for the Alphabetical Catalogs of the Prussian Libraries. University Microfilms, 1968.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..