Παραπομπή σε μορφή APA (7η εκδ.)

Farrell, M., Howes, S., & Verster, A. (2000). Reviewing current practice in drug-substitution treatment in the European Union. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Farrell, Micheal, Samantha Howes, και Annette Verster. Reviewing Current Practice in Drug-substitution Treatment in the European Union. Luxembourg: Office for Official Publications of the European Communities, 2000.

Παραπομπή σε μορφή MLA (8th εκδ.)

Farrell, Micheal, et al. Reviewing Current Practice in Drug-substitution Treatment in the European Union. Office for Official Publications of the European Communities, 2000.