University Microfilms International. (1988). Underground press collection: A guide to the microfilm collection : Hoover Institution supplement. UMI.
Chicagoスタイル(17版)引用形式University Microfilms International. Underground Press Collection: A Guide to the Microfilm Collection : Hoover Institution Supplement. Ann Arbor, Mich.: UMI, 1988.
MLA(8版)引用形式University Microfilms International. Underground Press Collection: A Guide to the Microfilm Collection : Hoover Institution Supplement. UMI, 1988.
警告: この引用は必ずしも正確ではありません.