Sonja Jefferson & Tanton,Sharon. (2013). Valuable Content Marketing. Koganpage.
Chicago Edition CitationSonja Jefferson and Tanton,Sharon. Valuable Content Marketing. London: Koganpage, 2013.
MLA Edition CitationSonja Jefferson and Tanton,Sharon. Valuable Content Marketing. Koganpage, 2013.
Warning: These citations may not always be 100% accurate.