A directory of information resources in the United States: Federal Government,
with a supplement of Government-sponsored information analysis centers.

APA Citation

National Referral Center (U.S.)., National Referral Center for Science and Technology (U.S.). (1974). A directory of information resources in the United States: Federal Government: with a supplement of Government-sponsored information analysis centers. Rev. ed. Washington: Library of Congress; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].

MLA Citation

National Referral Center (U.S.), and National Referral Center for Science and Technology (U.S.). A Directory of Information Resources In the United States: Federal Government: With a Supplement of Government-sponsored Information Analysis Centers. Rev. ed. Washington: Library of Congress; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1974.