APA (7e ed.) Bronvermelding

Doyle, C. C. (2016). Secret of the druids. Westland.

Chicago (17e ed.) Bronvermelding

Doyle, Christopher C. Secret of the Druids. New Delhi: Westland, 2016.

MLA (9e ed.) Bronvermelding

Doyle, Christopher C. Secret of the Druids. Westland, 2016.