American University. Foreign Area Studies Division. (1967). Area handbook for North Vietnam. U.S. Government Printing Office.
Chicago Style (17. basım) AtıfAmerican University. Foreign Area Studies Division. Area Handbook for North Vietnam. Washington, D.C: U.S. Government Printing Office, 1967.
MLA (9th ed.) AtıfAmerican University. Foreign Area Studies Division. Area Handbook for North Vietnam. U.S. Government Printing Office, 1967.
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