APA (7. basım) Alıntı

(1939). Code for classifiers; principles governing the consistent placing of books in a system of classification [by] William Stetson Merrill.

Chicago Style (17. basım) Atıf

Code for Classifiers; Principles Governing the Consistent Placing of Books in a System of Classification [by] William Stetson Merrill. 1939.

MLA (9th ed.) Atıf

Code for Classifiers; Principles Governing the Consistent Placing of Books in a System of Classification [by] William Stetson Merrill. 1939.