Burgess, ., By Harf , . J. E., & Peterson , . L. . . E. (1979). International and comparative polities: A handbook. Allyn and Bacon.
Chicago-viite (17. p.)Burgess, , James E. By Harf , ja Lawrence E. Peterson. International and Comparative Polities: A Handbook. Boston,: Allyn and Bacon, 1979.
MLA-viite (9. p.)Burgess, , et al. International and Comparative Polities: A Handbook. Allyn and Bacon, 1979.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.