BOK, D. C. (1955). The First Three Years Of The Schuman Plan Derek Curtis Bok. Princeton University.
Lua i Stíl Chicago (17ú heag.)BOK, Derek Curtis. The First Three Years Of The Schuman Plan Derek Curtis Bok. Princeton University, 1955.
Lua MLA (8ú heag.)BOK, Derek Curtis. The First Three Years Of The Schuman Plan Derek Curtis Bok. Princeton University, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.