APA ציטוט

Heald, R. J. (1990). Synchronous and metachronous carcinoma of the colon and rectum. Royal College of Surgeons of England.

Citação norma Chicago

Heald, R. J. Synchronous and Metachronous Carcinoma of the Colon and Rectum. Royal College of Surgeons of England, 1990.

ציטוט MLA

Heald, R. J. Synchronous and Metachronous Carcinoma of the Colon and Rectum. Royal College of Surgeons of England, 1990.