APA (7e ed.) Bronvermelding

Boal, B. M. (1973). Fire is easy: The tribal Christian and his traditional culture. Christian Institute for Ethnic Studies in Asia.

Chicago (17e ed.) Bronvermelding

Boal, Barbara M. Fire Is Easy: The Tribal Christian and His Traditional Culture. Manila: Christian Institute for Ethnic Studies in Asia, 1973.

MLA (9e ed.) Bronvermelding

Boal, Barbara M. Fire Is Easy: The Tribal Christian and His Traditional Culture. Christian Institute for Ethnic Studies in Asia, 1973.