Gaya APA

Costello, D, R. (1985). New venture analysis: research, planning and finance / Dennis R. Costello . : Dow Jones-Irwin.

Gaya MLA

Costello, Dennis, R.. "New venture analysis: research, planning and finance / Dennis R. Costello". : Dow Jones-Irwin, 1985. Pendidikan Guru Madrasah Ibtidaiyah.