Gaya APA

Institution, T, I, S, G, O, T, B. (1949). Major Problems of United States Foreign Policy 1949-1950 (1). Washington, DC, USA: George Banta Publishing Company.

Gaya MLA

Institution, The, International, Studies, Group, Of, The, Brookings. "Major Problems of United States Foreign Policy 1949-1950". 1 Washington, DC, USA: George Banta Publishing Company, 1949. Koleksi Elektronik.