McWILLIAMS, W. C., & PIOTROWSKI, H. (1990). The world since 1945: A history of international rela-tions. Lynne Rienner Pub.
Chicago-viite (17. p.)McWILLIAMS, Wayne C., ja Harry PIOTROWSKI. The World Since 1945: A History of International Rela-tions. Boulder: Lynne Rienner Pub, 1990.
MLA-viite (9. p.)McWILLIAMS, Wayne C., ja Harry PIOTROWSKI. The World Since 1945: A History of International Rela-tions. Lynne Rienner Pub, 1990.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.