Gaya APA

FESC, S, S, B, M, F, F, F. et al (). Ebook : Cardiac Pacemakers Step by Step . : .

Gaya MLA

FESC, S., Serge, Barold, MD,, FRACP,, FACP,, FACC,. et al. "Ebook : Cardiac Pacemakers Step by Step". : , . Text.