APA (7th ed.) Zitazioa
Metzger, P. W. (2007). The Art of Perspective: The Ultimate Guide for Artists in Every Medium. North Light Books.
Chicago Style (17th ed.) Zitazioa
Metzger, Philip W. The Art of Perspective: The Ultimate Guide for Artists in Every Medium. Cincinnati, Ohio: North Light Books, 2007.
MLA (9th ed.) Zitazioa
Metzger, Philip W. The Art of Perspective: The Ultimate Guide for Artists in Every Medium. North Light Books, 2007.
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