APA
Stephen M., . (2000). Excel 2000. London: Hodder & Stoughton.
Chicago
Stephen Moira, . 2000. Excel 2000. London: Hodder & Stoughton.
Harvard
Stephen M., . (2000). Excel 2000. London: Hodder & Stoughton.
MLA
Stephen Moira, . Excel 2000. London: Hodder & Stoughton. 2000.