APA (7e ed.) Bronvermelding

Haycock, A., & Preston, S. (2014). Cotton and Williams' practical gastrointestinal endoscopy: The fundamentals (Seventh edition.). Wiley.

Chicago (17e ed.) Bronvermelding

Haycock, Adam, en Stephen Preston. Cotton and Williams' Practical Gastrointestinal Endoscopy: The Fundamentals. Seventh edition. Chichester, England ; West Sussex, England: Wiley, 2014.

MLA (9e ed.) Bronvermelding

Haycock, Adam, en Stephen Preston. Cotton and Williams' Practical Gastrointestinal Endoscopy: The Fundamentals. Seventh edition. Wiley, 2014.