APA (7e ed.) Bronvermelding

SpringerLink (Online service), Avital, S., Singer, M., & Ehrenpreis, E. D. (2012). Anal and rectal diseases: A concise manual. Springer New York.

Chicago (17e ed.) Bronvermelding

SpringerLink (Online service), Shmuel Avital, Mark Singer, en Eli D. Ehrenpreis. Anal and Rectal Diseases: A Concise Manual. New York, NY: Springer New York, 2012.

MLA (8e ed.) Bronvermelding

SpringerLink (Online service), et al. Anal and Rectal Diseases: A Concise Manual. Springer New York, 2012.