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