Campbell, M. (1992). Harvard graphic 3.0 made easy. Osborne McGraw-Hill.
Chicago Style (17th ed.) CitationCampbell, Mary. Harvard Graphic 3.0 Made Easy. Berkley: Osborne McGraw-Hill, 1992.
MLA (9th ed.) CitationCampbell, Mary. Harvard Graphic 3.0 Made Easy. Osborne McGraw-Hill, 1992.
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