APA
Bengt Karlof, . (1983). Key Business concepts : a concise guide. Routledge, London: .
Chicago
Bengt Karlof, . 1983. Key Business concepts : a concise guide. Routledge, London: .
Harvard
Bengt Karlof, . (1983). Key Business concepts : a concise guide. Routledge, London: .
MLA
Bengt Karlof, . Key Business concepts : a concise guide. Routledge, London: . 1983.