Osman Mahmud. (1992). Pra syarat kejayaan usahawanan. QPrime Publications.
Chicago Style (17th ed.) CitationOsman Mahmud. Pra Syarat Kejayaan Usahawanan. Kedah: QPrime Publications, 1992.
MLA (9th ed.) CitationOsman Mahmud. Pra Syarat Kejayaan Usahawanan. QPrime Publications, 1992.
Warning: These citations may not always be 100% accurate.