Goudzwaard, B., & Vennen, M. V. (1984). Idols for our time. Inter-Varsity.
Lua i Stíl Chicago (17ú heag.)Goudzwaard, Bob, agus Mark Vander Vennen. Idols for Our Time. illinois: Inter-Varsity, 1984.
Lua MLA (9ú heag.)Goudzwaard, Bob, agus Mark Vander Vennen. Idols for Our Time. Inter-Varsity, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.