Gaya APA
Hay, W, W. et al
(2018).
Current Diagnosis and Treatment Pediatrics 2020-2021
(
25)
.
New York:
Mc Graw Hill.
Gaya MLA
Hay, William, W.. et al.
"Current Diagnosis and Treatment Pediatrics 2020-2021".
25
New York:
Mc Graw Hill,
2018.
Buku.