Sumarsono, S. (2013). Kewirausahaan. Gramedia.
Chicago Style (17th ed.) CitationSumarsono, Sonny. Kewirausahaan. Gramedia, 2013.
MLA (8th ed.) CitationSumarsono, Sonny. Kewirausahaan. Gramedia, 2013.
Warning: These citations may not always be 100% accurate.