by Linder, R. D., & Pierard, R. V. (1973). Politics: A case for christian action. Interversity press.
Lua i Stíl Chicago (17ú heag.)by Linder, Robert D., agus Richard V. Pierard. Politics: A Case for Christian Action. illinois: Interversity press, 1973.
Lua MLA (9ú heag.)by Linder, Robert D., agus Richard V. Pierard. Politics: A Case for Christian Action. Interversity press, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.