S. Janal Daniel. (1997). Online Marketing Handbook 1997 edition (In lần thứ 1.). London: Van Nostrand Reinhold Co. Ltd..
Chicago Style CitationS. Janal Daniel. Online Marketing Handbook 1997 Edition. In lần thứ 1. London: Van Nostrand Reinhold Co. Ltd., 1997.
MLA CitationS. Janal Daniel. Online Marketing Handbook 1997 Edition. In lần thứ 1. London: Van Nostrand Reinhold Co. Ltd., 1997.
Warning: These citations may not always be 100% accurate.