APA (7e ed.) Bronvermelding

Grealy, M. D. (1991). Knock: Apparition Gable from 1879 to the present. Cashin Printing Services.

Chicago (17e ed.) Bronvermelding

Grealy, Msgr Dominic. Knock: Apparition Gable from 1879 to the Present. Cashin Printing Services, 1991.

MLA (8e ed.) Bronvermelding

Grealy, Msgr Dominic. Knock: Apparition Gable from 1879 to the Present. Cashin Printing Services, 1991.

Let op: Deze citaties zijn niet altijd 100% accuraat.