Gaya APA
Rakel, R, E.
(2016).
Textbook of family medicine
(
Ed.9)
.
Phildephia:
Elsevier Saunders.
Gaya MLA
Rakel, Robert, E..
"Textbook of family medicine".
Ed.9
Phildephia:
Elsevier Saunders,
2016.
Buku.