Lua APA (7ú heag.)

Ching, F. (1990). Drawing, a creative process. Van Nostrand Reinhold.

Lua i Stíl Chicago (17ú heag.)

Ching, Frank. Drawing, a Creative Process. New York, NY: Van Nostrand Reinhold, 1990.

Lua MLA (8ú heag.)

Ching, Frank. Drawing, a Creative Process. Van Nostrand Reinhold, 1990.

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