THE UNITED STATES AND THE HORN OF AFRICA AN ANALYTICAL STUDY OF PATTERN AND PROCESS
OKBAZGHI YOHANNES1997 年出版353 页ISBN:081333361X
JOHN R.ROMANELLI·DAVID J.DESILETS2017 年出版301 页ISBN:9783319506081
(美)(E.克温)Erica Kerwien著;刘天元,李忠泽译1997 年出版211 页ISBN:7505343963