Howard, N. (1999). Confrontation analysis: How to win operations other than war. Evidence Based Research, Inc..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHoward, Nigel. Confrontation Analysis: How to Win Operations Other than War. [Vienna, VA: Evidence Based Research, Inc., 1999.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিHoward, Nigel. Confrontation Analysis: How to Win Operations Other than War. Evidence Based Research, Inc., 1999.
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