* B. M. Metzger, A Textual Commentary On The New Testament: A Companion Voume To The United Bible Societies' Greek New Testament, 1994, United Bible Societies, London & New York, pp.
* Bruce M. Metzger, "A Textual Commentary On The Greek New Testament: A Companion Volume To The United Bible Societies' Greek New Testament", 1994, United Bible Societies, London & New York, pp.