Lenburg Jeff. (2007). Viva - facts on file guide to research. Viva books pub ltd.
Chicago Style (17th ed.) CitationLenburg Jeff. Viva - Facts on File Guide to Research. New Delhi: Viva books pub ltd, 2007.
MLA (9th ed.) CitationLenburg Jeff. Viva - Facts on File Guide to Research. Viva books pub ltd, 2007.
Warning: These citations may not always be 100% accurate.