APA (7th ed.) Zitazioa

Newbigin, L. (1980). Sign of the kingdom. WB. Eerdmans.

Chicago Style (17th ed.) Zitazioa

Newbigin, Lesslie. Sign of the Kingdom. Grand Rapids: WB. Eerdmans, 1980.

MLA (9th ed.) Zitazioa

Newbigin, Lesslie. Sign of the Kingdom. WB. Eerdmans, 1980.