Gaya APA
The Asthma Source Book. (2007).
New York:
Mc Graw Hill.
Gaya Chicago
The Asthma Source Book.
.
New York:
Mc Graw Hill,
2007.
Buku.
Gaya MLA
The Asthma Source Book.
.
New York:
Mc Graw Hill,
2007.
Buku.
Gaya Turabian
The Asthma Source Book.
New York:
Mc Graw Hill,
2007.
Buku.