Luhmann, N. (2015). the Function of Art and the Differentiation of the Art System, 1995. Systems.
Chicago-viite (17. p.)Luhmann, Niklas. "The Function of Art and the Differentiation of the Art System, 1995." Systems 2015.
MLA-viite (8. p.)Luhmann, Niklas. "The Function of Art and the Differentiation of the Art System, 1995." Systems, 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.