Avram, H. (1968). The MARC pilot proyect. Library of Congress.
Chicagoスタイル(17版)引用形式Avram, Henriette. The MARC Pilot Proyect. Washington: Library of Congress, 1968.
MLA(9版)引用形式Avram, Henriette. The MARC Pilot Proyect. Library of Congress, 1968.
警告: この引用は必ずしも正確ではありません.