APA (7th ed.) Zitazioa

White W., J., & Gilbert, H. (2016). Laying the Foundation. Purdue University Press.

Chicago Style (17th ed.) Zitazioa

White W., John, eta Heather Gilbert. Laying the Foundation. West Lafayette: Purdue University Press, 2016.

MLA (9th ed.) Zitazioa

White W., John, eta Heather Gilbert. Laying the Foundation. Purdue University Press, 2016.