Sagman, S. W. (1992). Using harvard graphics 3. Que Corporation.
Chicago Style (17th ed.) CitationSagman, Stephen W. Using Harvard Graphics 3. Carmel, Indiana: Que Corporation, 1992.
MLA (9th ed.) CitationSagman, Stephen W. Using Harvard Graphics 3. Que Corporation, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.