Citazione Stile APA (7a Edizione)
Bower, S. Urban Sketching Handbook: Understanding Perspective : Easy Techniques for Mastering Perspective Drawing on Location. Quarry Books.
Citazione stile Chigago Style (17a edizione)
Bower, Stephanie. Urban Sketching Handbook: Understanding Perspective : Easy Techniques for Mastering Perspective Drawing on Location. Beverly, EUA: Quarry Books.
Citatione MLA (9a ed.)
Bower, Stephanie. Urban Sketching Handbook: Understanding Perspective : Easy Techniques for Mastering Perspective Drawing on Location. Quarry Books.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.