Library of Congress. Information Systems Office, Avram, H. D., Knapp, J. F., & Rather, L. J. (1968). The MARC II format: A communications format for bibliographic data. Library of Congress.
Chicago Style (17. basım) AtıfLibrary of Congress. Information Systems Office, Henriette D. Avram, John F. Knapp, ve Lucia J. Rather. The MARC II Format: A Communications Format for Bibliographic Data. Washington: Library of Congress, 1968.
MLA (8th ed.) AtıfLibrary of Congress. Information Systems Office, et al. The MARC II Format: A Communications Format for Bibliographic Data. Library of Congress, 1968.
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