Guinness, O. S. (1983). The gravedigger file: Papers on subversion of the mordern church. Interversity press.
Cita Chicago (17th ed.)Guinness, O S. The Gravedigger File: Papers on Subversion of the Mordern Church. Illinois: Interversity press, 1983.
Cita MLA (9th ed.)Guinness, O S. The Gravedigger File: Papers on Subversion of the Mordern Church. Interversity press, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.