APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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