Dyfyniad APA
Emerson, F. B. (1987). Technical writing. Houghton Mifling Company.
Dyfyniad Arddull Chicago
Emerson, Frances B. Technical Writing. Boston: Houghton Mifling Company, 1987.
Dyfyniad MLA
Emerson, Frances B. Technical Writing. Houghton Mifling Company, 1987.
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