(1992). Scientific research institutes in Pakistan. Library of Congress Office ; Library of Congress Photoduplication Service.
Citação do estilo Chicago (17ª ed.)Scientific Research Institutes in Pakistan. New Delhi : Washington, D.C.: Library of Congress Office ; Library of Congress Photoduplication Service, 1992.
Citação MLA (8ª ed.)Scientific Research Institutes in Pakistan. Library of Congress Office ; Library of Congress Photoduplication Service, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.