Sprink, M., Mazzotta, A., Roy, A., Billinge, R., & Peggie, D. Painting Practice in Milan in the 1490s: The Influence of Leonardo. Leonardo da Vinci : Pupil, Painter and Master.
Lua i Stíl Chicago (17ú heag.)Sprink, Marika, Antonio Mazzotta, Ashok Roy, Rachel Billinge, agus David Peggie. "Painting Practice in Milan in the 1490s: The Influence of Leonardo." Leonardo Da Vinci : Pupil, Painter and Master .
Lua MLA (8ú heag.)Sprink, Marika, et al. "Painting Practice in Milan in the 1490s: The Influence of Leonardo." Leonardo Da Vinci : Pupil, Painter and Master, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.