APA-referens (7:e uppl.)
Metzger, P. W. (2007). The Art of Perspective: The Ultimate Guide for Artists in Every Medium. North Light Books.
Chicago-referens (17:e uppl.)
Metzger, Philip W. The Art of Perspective: The Ultimate Guide for Artists in Every Medium. Cincinnati, Ohio: North Light Books, 2007.
MLA-referens (9:e uppl.)
Metzger, Philip W. The Art of Perspective: The Ultimate Guide for Artists in Every Medium. North Light Books, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.