Gaya APA
Hollenberg, S, M., Walker, T. (2006).
Cardiology in Family Practice: A Practical Guide .
Totowa:
Humana Press.
Gaya MLA
Hollenberg, Steven, M.., Walker, Tracy.
"Cardiology in Family Practice: A Practical Guide".
Totowa:
Humana Press,
2006.
Elektronik/Digital.