Berkhof, H. (1989). Two hundred years of theology: Report of a personal journey. Grand Rapids.
Cita Chicago (17th ed.)Berkhof, Hendrikus. Two Hundred Years of Theology: Report of a Personal Journey. Michigan: Grand Rapids, 1989.
Cita MLA (9th ed.)Berkhof, Hendrikus. Two Hundred Years of Theology: Report of a Personal Journey. Grand Rapids, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.