Dimond, S. E., & Pflieger, E. F. (1973). Our American government: Teacher's introduction and answer key (Annotated [rev.] ed.). Lippincott.
Lua i Stíl Chicago (17ú heag.)Dimond, Stanley E., agus Elmer F. Pflieger. Our American Government: Teacher's Introduction and Answer Key. Annotated [rev.] ed. Philadelphia: Lippincott, 1973.
Lua MLA (8ú heag.)Dimond, Stanley E., agus Elmer F. Pflieger. Our American Government: Teacher's Introduction and Answer Key. Annotated [rev.] ed. Lippincott, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.