Hewstone, M., & Greenland, K. (2000). Intergroup conflict.
Cita Chicago (17th ed.)Hewstone, M., i K. Greenland. Intergroup Conflict. 2000.
Cita MLA (9th ed.)Hewstone, M., i K. Greenland. Intergroup Conflict. 2000.
Atenció: Aquestes cites poden no estar 100% correctes.