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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSprink, Marika, Antonio Mazzotta, Ashok Roy, Rachel Billinge, এবং David Peggie. "Painting Practice in Milan in the 1490s: The Influence of Leonardo." Leonardo Da Vinci : Pupil, Painter and Master .
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSprink, Marika, et al. "Painting Practice in Milan in the 1490s: The Influence of Leonardo." Leonardo Da Vinci : Pupil, Painter and Master, .
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