Gale Group & Pederson, J. P. (2016). International directory of company histories. St. James Press, a part of Gale, Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Gale Group agus Jay P. Pederson. International Directory of Company Histories. Farmington Hills, Mich: St. James Press, a part of Gale, Cengage Learning, 2016.
Lua MLA (9ú heag.)Gale Group agus Jay P. Pederson. International Directory of Company Histories. St. James Press, a part of Gale, Cengage Learning, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.