APA Style

Metz, H, C. (1990). Iraq : a country study / Helen chapin. Metz (4th ed.). Washington D.C.: Federal Research Division, Library of Congress..

MLA Style

Metz, Helen, Chapin.. "Iraq : a country study / Helen chapin. Metz". 4th ed. Washington D.C.: Federal Research Division, Library of Congress., 1990. หนังสือ (Book).