Velasquez, D. (2017). Drawing in black and white: Creative exerclses art technique and exploration in positive and negative Design. Quarto Publicatoin.
Citazione stile Chigago Style (17a edizione)Velasquez, Deborah. Drawing in Black and White: Creative Exerclses Art Technique and Exploration in Positive and Negative Design. USA: Quarto Publicatoin, 2017.
Citatione MLA (9a ed.)Velasquez, Deborah. Drawing in Black and White: Creative Exerclses Art Technique and Exploration in Positive and Negative Design. Quarto Publicatoin, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.