Velasquez, D. (2017). Drawing in black and white: Creative exerclses art technique and exploration in positive and negative Design. Quarto Publicatoin.
Citace podle Chicago (17th ed.)Velasquez, Deborah. Drawing in Black and White: Creative Exerclses Art Technique and Exploration in Positive and Negative Design. USA: Quarto Publicatoin, 2017.
Citace podle MLA (9th ed.)Velasquez, Deborah. Drawing in Black and White: Creative Exerclses Art Technique and Exploration in Positive and Negative Design. Quarto Publicatoin, 2017.
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