Peirce, N. R., & Hagstrom, J. (1983). The book of America: Inside 50 states today / Neal R. Peirce and Jerry Hagstrom. Norton.
Lua i Stíl Chicago (17ú heag.)Peirce, Neal R., agus Jerry Hagstrom. The Book of America: Inside 50 States Today / Neal R. Peirce and Jerry Hagstrom. New York: Norton, 1983.
Lua MLA (8ú heag.)Peirce, Neal R., agus Jerry Hagstrom. The Book of America: Inside 50 States Today / Neal R. Peirce and Jerry Hagstrom. Norton, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.