Gale Group, Long, S., Jacques, D., & Kepos, P. (2016). International directory of company histories. St. James Press, a part of Gale, Cengage Learning.
Chicago-referens (17:e uppl.)Gale Group, Steven Long, Derek Jacques, och Paula Kepos. International Directory of Company Histories. Farmington Hills, Michigan: St. James Press, a part of Gale, Cengage Learning, 2016.
MLA-referens (9:e uppl.)Gale Group, et al. International Directory of Company Histories. St. James Press, a part of Gale, Cengage Learning, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.