APA način citiranja

Cockel, R. (1987). Regional societies groups and committees: BSG specialty committees and related but independent societies. British Society of Gastroenterology. BMJ Group.

Čikaški stil citiranja

Cockel, R. Regional Societies Groups and Committees: BSG Specialty Committees and Related but Independent Societies. British Society of Gastroenterology. BMJ Group, 1987.

MLA način citiranja

Cockel, R. Regional Societies Groups and Committees: BSG Specialty Committees and Related but Independent Societies. British Society of Gastroenterology. BMJ Group, 1987.