Warner, M. (1979). Portrait painting (First American edition.). Mayflower Books.
Chicago-viite (17. p.)Warner, Malcolm. Portrait Painting. First American edition. New York: Mayflower Books, 1979.
MLA-viite (9. p.)Warner, Malcolm. Portrait Painting. First American edition. Mayflower Books, 1979.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.