APA
john m., peter v., . (2000). Information uk 2000. london: bowker -saur.
Chicago
john martyn, peter vickers, . 2000. Information uk 2000. london: bowker -saur.
Harvard
john m., peter v., . (2000). Information uk 2000. london: bowker -saur.
MLA
john martyn, peter vickers, . Information uk 2000. london: bowker -saur. 2000.
