Sigit, S. (1983). Mengembangkan kewiraswastaan. DAAP UGM.
Chicago Style (17th ed.) CitationSigit, Soehardi. Mengembangkan Kewiraswastaan. DAAP UGM, 1983.
MLA (8th ed.) CitationSigit, Soehardi. Mengembangkan Kewiraswastaan. DAAP UGM, 1983.
Warning: These citations may not always be 100% accurate.