Library of Congress. Federal Research Division & Savada, A. M. (1994). North Korea: A country study (4th ed.). Federal Research Division, Library of Congress : For sale by the Supt. of Docs., U.S. G.P.O..

Library of Congress. Federal Research Division and Andrea Matles Savada. North Korea: A Country Study. 4th ed. Washington, D.C.: Federal Research Division, Library of Congress : For sale by the Supt. of Docs., U.S. G.P.O., 1994.

Library of Congress. Federal Research Division and Andrea Matles Savada. North Korea: A Country Study. 4th ed. Federal Research Division, Library of Congress : For sale by the Supt. of Docs., U.S. G.P.O., 1994.