SUHARDI, y. (2011). Kewirausahaan. Ghalia Indonesia.
Chicago Style (17th ed.) CitationSUHARDI, yusuf. Kewirausahaan. Ghalia Indonesia, 2011.
MLA (8th ed.) CitationSUHARDI, yusuf. Kewirausahaan. Ghalia Indonesia, 2011.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.