bradifield, r. M., keillor,jean-pierre, r., & pranell, m. O. (1977). The International year book and statesmen's who's who. IPC business press limited.
Lua i Stíl Chicago (17ú heag.)bradifield, robert M., researcher keillor,jean-pierre, agus mervyn O. pranell. The International Year Book and Statesmen's Who's Who. britain: IPC business press limited, 1977.
Lua MLA (9ú heag.)bradifield, robert M., et al. The International Year Book and Statesmen's Who's Who. IPC business press limited, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.