Gaya APA

Schilder, K., Schoolland, M, N. (1950). Heaven - What is it? . Grand Rapids, Michigan, USA: William B. Eerdmans Publishing Company.

Gaya MLA

Schilder, Klaas., Schoolland, Marian, N.. "Heaven - What is it?". Grand Rapids, Michigan, USA: William B. Eerdmans Publishing Company, 1950. Academic.