Mark, P. (1990). Words without Things: The Mode of Information. October.
Cita Chicago (17th ed.)Mark, Poster. "Words Without Things: The Mode of Information." October 1990.
Cita MLA (8th ed.)Mark, Poster. "Words Without Things: The Mode of Information." October, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.