APA (7e ed.) Bronvermelding

Spruth, E. L. (1984). And the word of God spread: A brief history of the Gutnius Lutheran Church-Papua New Guinea. University Microfilms International.

Chicago (17e ed.) Bronvermelding

Spruth, Erwin Luther. And the Word of God Spread: A Brief History of the Gutnius Lutheran Church-Papua New Guinea. Ann Arbor: University Microfilms International, 1984.

MLA (9e ed.) Bronvermelding

Spruth, Erwin Luther. And the Word of God Spread: A Brief History of the Gutnius Lutheran Church-Papua New Guinea. University Microfilms International, 1984.