M., R., S.(1999).Menilai penyertaan dalam perusahaan: (Business valuation; valuation of closely-held business and business ownership interest) .Jakarta:Gramedia Pustaka Utama.
Gaya MLA
Ruky, Saiful, M.."Menilai penyertaan dalam perusahaan: (Business valuation; valuation of closely-held business and business ownership interest)".Jakarta:Gramedia Pustaka Utama,1999.Textbook.