Gaya APA

Voices of unity, essays in honour of Willem Adolf Visser't Hooft on the occasion of his 80th birthday, edited by Ans J.van der Bent. . (1981). Geneva: World Council of Churches.

Gaya MLA

Voices of unity, essays in honour of Willem Adolf Visser't Hooft on the occasion of his 80th birthday, edited by Ans J.van der Bent. . . Geneva: World Council of Churches, 1981. Buku.