Fenoulhet, J., & SaFenoulhet, J. (2003). Hugo in 3 months Dutch. Dorling Kindersley.
Lua i Stíl Chicago (17ú heag.)Fenoulhet, Jane, agus Jane SaFenoulhet. Hugo in 3 Months Dutch. London: Dorling Kindersley, 2003.
Lua MLA (9ú heag.)Fenoulhet, Jane, agus Jane SaFenoulhet. Hugo in 3 Months Dutch. Dorling Kindersley, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.