(1974). Government reference books 72/73: A biennial guide to U.S. Government Publications (3d biennial ed.). Libraries Unlimited, Inc.
Chicagoスタイル(17版)引用形式Government Reference Books 72/73: A Biennial Guide to U.S. Government Publications. 3d biennial ed. Littleton, Colo: Libraries Unlimited, Inc, 1974.
MLA(9版)引用形式Government Reference Books 72/73: A Biennial Guide to U.S. Government Publications. 3d biennial ed. Libraries Unlimited, Inc, 1974.
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