Igor Kabashkin, Irina Yatskiv (Jackiva), Olegas Prentkovskis, editors
Springer Nature, 2019
eBooks
Coyle, John Joseph, 1935-
South-Western College, 2000
Buku Teks
Greene, Katrine
New York: Institut of Pacific Relations, 1941
Buku Teks
McClave, James T.
Prentice-Hall, 2000
Buku Teks
McClave, James T.
Dellen Publishing, 1979
Buku Teks