(1992). Scientific research institutes in Pakistan. Library of Congress Office ; Library of Congress Photoduplication Service.
Čikaški stil citiranja (17. izdanje)Scientific Research Institutes in Pakistan. New Delhi : Washington, D.C.: Library of Congress Office ; Library of Congress Photoduplication Service, 1992.
MLA način citiranja (8. izdanje)Scientific Research Institutes in Pakistan. Library of Congress Office ; Library of Congress Photoduplication Service, 1992.
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