Gaya APA

Raitzel, D, J., Lyden, D, P. (1990). Contemporary Business Law: Prinnciples and Cases (fourth). LONDON: MC GRAW HIIL.

Gaya MLA

Raitzel, Davit, J., Lyden, Donald, P. "Contemporary Business Law: Prinnciples and Cases". fourth LONDON: MC GRAW HIIL, 1990. Text.