Stafford, T. (1984). Friendship across cultures. STL Books.
Lua i Stíl Chicago (17ú heag.)Stafford, Tim. Friendship Across Cultures. England: STL Books, 1984.
Lua MLA (9ú heag.)Stafford, Tim. Friendship Across Cultures. STL Books, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.