APA-viite (7. p.)

Luhmann, N. Why does society describe itself as postmodern?: Niklas Luhmann. Observing complexity : systems theory and postmodernity.(2000).

Chicago-viite (17. p.)

Luhmann, Niklas. "Why Does Society Describe Itself as Postmodern?: Niklas Luhmann." Observing Complexity : Systems Theory and Postmodernity.(2000) .

MLA-viite (8. p.)

Luhmann, Niklas. "Why Does Society Describe Itself as Postmodern?: Niklas Luhmann." Observing Complexity : Systems Theory and Postmodernity.(2000), .