Gaya APA

D, B., (a.o), K, T. (1988). The Legal Environment of Business Third Edition . Illinois: Richard D. Irwin, Inc..

Gaya MLA

D, Blackburn,John., (a.o), Klayman,Elliot, T. "The Legal Environment of Business Third Edition". Illinois: Richard D. Irwin, Inc., 1988. Text.