Library of Congress. Federal Research Division, Pitman, P. M., & Nyrop, R. F. (1988). Turkey: A country study (4th ed.). The Division : For sale by the Supt. of Docs., U.S. G.P.O..

Library of Congress. Federal Research Division, Paul M. Pitman, and Richard F. Nyrop. Turkey: A Country Study. 4th ed. Washington, D.C.: The Division : For sale by the Supt. of Docs., U.S. G.P.O., 1988.

Library of Congress. Federal Research Division, et al. Turkey: A Country Study. 4th ed. The Division : For sale by the Supt. of Docs., U.S. G.P.O., 1988.