APA-referens (7:e uppl.)

Wren, C. (2012). Concise guide to pediatric arrhythmias. Wiley-Blackwell.

Chicago-referens (17:e uppl.)

Wren, C. Concise Guide to Pediatric Arrhythmias. Chichester, West Sussex, U.K.: Wiley-Blackwell, 2012.

MLA-referens (9:e uppl.)

Wren, C. Concise Guide to Pediatric Arrhythmias. Wiley-Blackwell, 2012.