HOWELL F CLERK. (1980). EARLY MAN (2ND.). TIME LIFE BOOKS.
Lua i Stíl Chicago (17ú heag.)HOWELL F CLERK. EARLY MAN. 2ND. HONGKONG: TIME LIFE BOOKS, 1980.
Lua MLA (9ú heag.)HOWELL F CLERK. EARLY MAN. 2ND. TIME LIFE BOOKS, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.