Lua APA (7ú heag.)

Luhmann, N., & Barrett, R. (2013). Theory of society. Stanford University Press.

Lua i Stíl Chicago (17ú heag.)

Luhmann, Niklas, agus Rhodes Barrett. Theory of Society. Stanford, Calif.: Stanford University Press, 2013.

Lua MLA (9ú heag.)

Luhmann, Niklas, agus Rhodes Barrett. Theory of Society. Stanford University Press, 2013.

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