Gaya APA
Wolff, K, D. (2008).
Fitzpatricks Dermatology In General Medicine Vol 2 (Seventh).
Sebastopol, CA:
McGraw-Hill Companies.
Gaya MLA
Wolff, Klaus,, Dkk..
"Fitzpatricks Dermatology In General Medicine Vol 2".
Seventh
Sebastopol, CA:
McGraw-Hill Companies,
2008.
Buku.