Gaya APA

Ruky, S, M. (1999). Menilai peyertaan dalam perusahaan ( Business valution: valution of closely-held business and business ownership interest . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Ruky, Saiful, M.. "Menilai peyertaan dalam perusahaan ( Business valution: valution of closely-held business and business ownership interest". Jakarta: Gramedia Pustaka Utama, 1999. Text.