Cita APA (7th ed.)

Gale Group, Long, S., Jacques, D., & Kepos, P. (2016). International directory of company histories. St. James Press, a part of Gale, Cengage Learning.

Cita Chicago (17th ed.)

Gale Group, Steven Long, Derek Jacques, i Paula Kepos. International Directory of Company Histories. Farmington Hills, Michigan: St. James Press, a part of Gale, Cengage Learning, 2016.

Cita MLA (9th ed.)

Gale Group, et al. International Directory of Company Histories. St. James Press, a part of Gale, Cengage Learning, 2016.