Sibthorp, R. W. (1843). The true path for the true churchman wandering in the mazes of Protestantism, exemplified in two letters in answer to the enquiry: Why have you become a Catholic? New York.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sibthorp, Richard Waldo. The True Path for the True Churchman Wandering in the Mazes of Protestantism, Exemplified in Two Letters in Answer to the Enquiry: Why Have You Become a Catholic? New York, 1843.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sibthorp, Richard Waldo. The True Path for the True Churchman Wandering in the Mazes of Protestantism, Exemplified in Two Letters in Answer to the Enquiry: Why Have You Become a Catholic? New York, 1843.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.