Lua APA (7ú heag.)

Greco, S. (1968). The art of perspective drawing. Western Pub. Co..

Lua i Stíl Chicago (17ú heag.)

Greco, Simon. The Art of Perspective Drawing. New York: Western Pub. Co., 1968.

Lua MLA (8ú heag.)

Greco, Simon. The Art of Perspective Drawing. Western Pub. Co., 1968.

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