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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.