Lua APA (7ú heag.)

Wittenberg, P. J. (1937). The Protection and marketing of literary property. J. Messner.

Lua i Stíl Chicago (17ú heag.)

Wittenberg, Philip J. The Protection and Marketing of Literary Property. New York: J. Messner, 1937.

Lua MLA (9ú heag.)

Wittenberg, Philip J. The Protection and Marketing of Literary Property. J. Messner, 1937.

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