APA aipamena

 Shade, B. (2008).  Practicing ECGs.  McGraw-Hill Higher Education.

Chicago Style aipamena

 Shade, Bruce.  Practicing ECGs.  McGraw-Hill Higher Education, 2008.

MLA aipamena

 Shade, Bruce.  Practicing ECGs.  McGraw-Hill Higher Education, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.