Jackson, R. J., & Jackson, D. (1997). A comparative introduction to political science. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Jackson, Robert J., agus Doreen Jackson. A Comparative Introduction to Political Science. Upper Saddle River, N.J: Prentice Hall, 1997.
Lua MLA (9ú heag.)Jackson, Robert J., agus Doreen Jackson. A Comparative Introduction to Political Science. Prentice Hall, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.