Montague, J. (2013). Basic perspective drawing: A visual approach (Sixth edition.). Wiley.
Lua i Stíl Chicago (17ú heag.)Montague, John. Basic Perspective Drawing: A Visual Approach. Sixth edition. Hoboken, New Jersey: Wiley, 2013.
Lua MLA (9ú heag.)Montague, John. Basic Perspective Drawing: A Visual Approach. Sixth edition. Wiley, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.