APA
Duncan T., Kennett H., . (2002). IGCSE physics. London: Hodder Murray.
Chicago
Duncan Tom, Kennett Heather, . 2002. IGCSE physics. London: Hodder Murray.
Harvard
Duncan T., Kennett H., . (2002). IGCSE physics. London: Hodder Murray.
MLA
Duncan Tom, Kennett Heather, . IGCSE physics. London: Hodder Murray. 2002.