Lua APA (7ú heag.)
Markel, M. (2004). Technical communication (7th ed.). Bedford/St. Martin's.
Lua i Stíl Chicago (17ú heag.)
Markel, Mike. Technical Communication. 7th ed. Boston, MA: Bedford/St. Martin's, 2004.
Lua MLA (9ú heag.)
Markel, Mike. Technical Communication. 7th ed. Bedford/St. Martin's, 2004.
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