Paedophilia Information Exchange. (1978). Paedophilia: Some questions and answers / Paedophilia Information Exchange. PIE.
Citazione stile Chigago Style (17a edizione)Paedophilia Information Exchange. Paedophilia: Some Questions and Answers / Paedophilia Information Exchange. London: PIE, 1978.
Citatione MLA (8a ed.)Paedophilia Information Exchange. Paedophilia: Some Questions and Answers / Paedophilia Information Exchange. PIE, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.