Gaya APA

Ark, J, A, V., Oosterman, G. (1983). 22 Landmark Years: Christian Schools International, 1943-65 (1). : Baker.

Gaya MLA

Ark, John, A., Vander., Oosterman, Gordon. "22 Landmark Years: Christian Schools International, 1943-65". 1 : Baker, 1983. Non Fiction.