APA
Mann Ronald J,, . (2008). Electronic commerce. Boston: Wolters Kluwer.
Chicago
Mann Ronald J,, . 2008. Electronic commerce. Boston: Wolters Kluwer.
Harvard
Mann Ronald J,, . (2008). Electronic commerce. Boston: Wolters Kluwer.
MLA
Mann Ronald J,, . Electronic commerce. Boston: Wolters Kluwer. 2008.