Paedophilia Information Exchange. (1978). Paedophilia: Some questions and answers / Paedophilia Information Exchange. PIE.
Cita Chicago (17th ed.)Paedophilia Information Exchange. Paedophilia: Some Questions and Answers / Paedophilia Information Exchange. London: PIE, 1978.
Cita MLA (8th ed.)Paedophilia Information Exchange. Paedophilia: Some Questions and Answers / Paedophilia Information Exchange. PIE, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.