APA (7. basım) Alıntı

Urquhart, P. (1999). IPM and the citrus industry in South Africa. International Institute for Environment and Development.

Chicago Style (17. basım) Atıf

Urquhart, Penny. IPM and the Citrus Industry in South Africa. London: International Institute for Environment and Development, 1999.

MLA (9th ed.) Atıf

Urquhart, Penny. IPM and the Citrus Industry in South Africa. International Institute for Environment and Development, 1999.