Copeland, L., & Griggs, L. (1985). Going international: How to make friends and deal effectively in the Global Marketplace. Random House.
Lua i Stíl Chicago (17ú heag.)Copeland, Lennie, agus Lewis Griggs. Going International: How to Make Friends and Deal Effectively in the Global Marketplace. New York: Random House, 1985.
Lua MLA (9ú heag.)Copeland, Lennie, agus Lewis Griggs. Going International: How to Make Friends and Deal Effectively in the Global Marketplace. Random House, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.