Putra, R. C. (2010). Bikin kerja Excel makin ampuh. New Diglossia.
Chicago Style (17th ed.) CitationPutra, Roy Chandra. Bikin Kerja Excel Makin Ampuh. New Diglossia, 2010.
MLA (8th ed.) CitationPutra, Roy Chandra. Bikin Kerja Excel Makin Ampuh. New Diglossia, 2010.
Warning: These citations may not always be 100% accurate.