Gilchrist, C., & Levi, I. (1999). The boys from Brazil: Level 4 (New edition.). Pearson Education.
Chicago-čujuhus (17. p.)Gilchrist, Cherry, juo Ira Levi. The Boys from Brazil: Level 4. New edition. Harlow: Pearson Education, 1999.
MLA-čujuhus (9. p.)Gilchrist, Cherry, juo Ira Levi. The Boys from Brazil: Level 4. New edition. Pearson Education, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.