Johnson, C. (2014). Worldmark modern conflict and diplomacy. Gale Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Johnson, Cynthia. Worldmark Modern Conflict and Diplomacy. Detroit: Gale Cengage Learning, 2014.
Lua MLA (9ú heag.)Johnson, Cynthia. Worldmark Modern Conflict and Diplomacy. Gale Cengage Learning, 2014.
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