Gaya APA

dkk, C, M, W. (2024). Cotton and Williams' Practical Gastrointestinal Endoscopy the Fundamental (8). Inggris: Blackwall Publishing.

Gaya MLA

dkk, Cathrine, M., Walsh,. "Cotton and Williams' Practical Gastrointestinal Endoscopy the Fundamental". 8 Inggris: Blackwall Publishing, 2024. Text.