OBRIEN MARK. (1984). MBA ANSWER BOOK: A CARRER GUIDE FOR PERSON WHO MEAN BUSINESS. PRENTICE -HALL INTERNATIONAL, INC.
Chicago-referens (17:e uppl.)OBRIEN MARK. MBA ANSWER BOOK: A CARRER GUIDE FOR PERSON WHO MEAN BUSINESS. NEW JERSE: PRENTICE -HALL INTERNATIONAL, INC, 1984.
MLA-referens (9:e uppl.)OBRIEN MARK. MBA ANSWER BOOK: A CARRER GUIDE FOR PERSON WHO MEAN BUSINESS. PRENTICE -HALL INTERNATIONAL, INC, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.