@book{33079,
	author = {Ab. Aziz Yusof and Zakaria Yusof},
	title = {Prinsip keusahawanan /},
	publisher = {Prentice Hall Pearson,},
	year = {2004},
	address = {Petaling Jaya, Selangor :},
	edition = {Edisi kedua}
}