Gaya APA

Ruffin, B., J., McGuire, L., B. (1982). Basic Elektrocardiography and Vectorcardiography . New York: Raven Press.

Gaya MLA

Ruffin, B., J., McGuire, L., B.. Basic Elektrocardiography and Vectorcardiography. New York: Raven Press, 1982. Text.