Markel, M. (2007). Technical communication (8th ed.). BedFord/St.Martin's.
Chicago Style (17th ed.) ZitazioaMarkel, Mike. Technical Communication. 8th ed. Boston, New York: BedFord/St.Martin's, 2007.
MLA (9th ed.) ZitazioaMarkel, Mike. Technical Communication. 8th ed. BedFord/St.Martin's, 2007.
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