APA aipamena

Constant, J. (1976). Electronictrocardiogramafia.

Chicago Style aipamena

Constant, J. Electronictrocardiogramafia. 1976.

MLA aipamena

Constant, J. Electronictrocardiogramafia. 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.