Parkinson, H. J. (1935). John Fisher: Defender of the unity of Christendom. Published at the Vaughan School.
Chicago-viite (17. p.)Parkinson, Harold Joseph. John Fisher: Defender of the Unity of Christendom. Kensington: Published at the Vaughan School, 1935.
MLA-viite (8. p.)Parkinson, Harold Joseph. John Fisher: Defender of the Unity of Christendom. Published at the Vaughan School, 1935.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.