APA
Ward Hanson, . (2000). Principles of internet marketing. South-Western College, Ohio: .
Chicago
Ward Hanson, . 2000. Principles of internet marketing. South-Western College, Ohio: .
Harvard
Ward Hanson, . (2000). Principles of internet marketing. South-Western College, Ohio: .
MLA
Ward Hanson, . Principles of internet marketing. South-Western College, Ohio: . 2000.