Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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