Gahan, W. (1803). A short and easy method to discern the true religion from all the different sects which assume that name undeservedly. Printed by H. Fitzpatrick.
Chicago-viite (17. p.)Gahan, William. A Short and Easy Method to Discern the True Religion from All the Different Sects Which Assume That Name Undeservedly. Dublin: Printed by H. Fitzpatrick, 1803.
MLA-viite (8. p.)Gahan, William. A Short and Easy Method to Discern the True Religion from All the Different Sects Which Assume That Name Undeservedly. Printed by H. Fitzpatrick, 1803.
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