Gardiner, C. H. (1970). Samuel Putnam, Latin Americanist: A bibliography. Southern Illinois University.
Lua i Stíl Chicago (17ú heag.)Gardiner, Clinton Harvey. Samuel Putnam, Latin Americanist: A Bibliography. Carbondale: Southern Illinois University, 1970.
Lua MLA (9ú heag.)Gardiner, Clinton Harvey. Samuel Putnam, Latin Americanist: A Bibliography. Southern Illinois University, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.