Gaya APA

Casler, K., David, P. (1989). Business assignments; eight advanced case studies with video. Teacher s note (1989). : London : Oxford Univ Press.,.

Gaya MLA

Casler, Ken., David, Palmer.. "Business assignments; eight advanced case studies with video. Teacher s note". 1989 : London : Oxford Univ Press.,, 1989. Text.