
USA Department of State & Carland, J. M. (2010). Foreign relations of the United States: 1969/76,9 Vietnam, October 1972 - January 1973. Foreign relations of the United States.
Styl cytowania ChicagoUSA Department of State i John M. Carland. "Foreign Relations of the United States: 1969/76,9 Vietnam, October 1972 - January 1973." Foreign Relations of the United States 2010.
Styl cytowania MLAUSA Department of State i John M. Carland. "Foreign Relations of the United States: 1969/76,9 Vietnam, October 1972 - January 1973." Foreign Relations of the United States, 2010.
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