APA aipamena

Ackroyd, R., Brown, N., Davis, M., Stephenson, T., Marcus, S., Stoddard, C., . . . Reed, M. (2000). Photodynamic therapy for dysplastic Barrett's oesophagus: A prospective, double blind, randomised, placebo controlled trial.

Chicago Style aipamena

Ackroyd, R., N. Brown, M. Davis, T. Stephenson, S. Marcus, C. Stoddard, A. Johnson, and M. Reed. Photodynamic Therapy for Dysplastic Barrett's Oesophagus: A Prospective, Double Blind, Randomised, Placebo Controlled Trial. 2000.

MLA aipamena

Ackroyd, R., et al. Photodynamic Therapy for Dysplastic Barrett's Oesophagus: A Prospective, Double Blind, Randomised, Placebo Controlled Trial. 2000.