Isaak, A. S. (1975). Scope And Methods Of Political Science An Introduction To The Methodelogy Of Political Inquiry Alan C. Isaak. The Dessey Press.
Lua i Stíl Chicago (17ú heag.)Isaak, Alan S. Scope And Methods Of Political Science An Introduction To The Methodelogy Of Political Inquiry Alan C. Isaak. The Dessey Press, 1975.
Lua MLA (8ú heag.)Isaak, Alan S. Scope And Methods Of Political Science An Introduction To The Methodelogy Of Political Inquiry Alan C. Isaak. The Dessey Press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.