Ward, A. (1995). Preparation P.E.T and practice: With Answer. E: Oxford University Press.
Čikaški stil citiranjaWard, Ann. Preparation P.E.T and Practice: With Answer. E: Oxford University Press, 1995.
MLA način citiranjaWard, Ann. Preparation P.E.T and Practice: With Answer. E: Oxford University Press, 1995.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.