Gaya APA

Hussey, J., Hussey, R. (1997). Business Research: a Prctical guide for undergraduate and postgraduate students . New York: Palgrave Macmillan.

Gaya MLA

Hussey, Jill., Hussey, Roger. "Business Research: a Prctical guide for undergraduate and postgraduate students". New York: Palgrave Macmillan, 1997. Text.