Kuo, Raymond (2019). "Secrecy among Friends: Covert Military Alliances and Portfolio Consistency". Journal of Conflict Resolution (İngilizce). 64: 63-89. doi:10.1177/0022002719849676. ISSN0022-0027.
Kuo, Raymond (2019). "Secrecy among Friends: Covert Military Alliances and Portfolio Consistency". Journal of Conflict Resolution (İngilizce). 64: 63-89. doi:10.1177/0022002719849676. ISSN0022-0027.