Berg, J. F. (1850). Dr. Berg's answer to the lecture of Archbishop Hughes on the decline of Protestantism: A lecture delivered in the Musical Fund Hall on Tuesday evening, November 26, 1850, in answer to Archbishop Hughes on the decline of Protestantism. Philadelphia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerg, Joseph F. Dr. Berg's Answer to the Lecture of Archbishop Hughes on the Decline of Protestantism: A Lecture Delivered in the Musical Fund Hall on Tuesday Evening, November 26, 1850, in Answer to Archbishop Hughes on the Decline of Protestantism. Philadelphia, 1850.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBerg, Joseph F. Dr. Berg's Answer to the Lecture of Archbishop Hughes on the Decline of Protestantism: A Lecture Delivered in the Musical Fund Hall on Tuesday Evening, November 26, 1850, in Answer to Archbishop Hughes on the Decline of Protestantism. Philadelphia, 1850.