Hybels, B. (1982). Christians in the marketplace. Victor Books.
Lua i Stíl Chicago (17ú heag.)Hybels, Bill. Christians in the Marketplace. Wheaton, IL: Victor Books, 1982.
Lua MLA (9ú heag.)Hybels, Bill. Christians in the Marketplace. Victor Books, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.