Gaya APA
Wolff, K, D. (2008).
Fitzpatricks Dermatology In General Medicine Vol 1 (Seventh).
Amerika:
McGraw-Hill Companies.
Gaya MLA
Wolff, Klaus,, Dkk..
"Fitzpatricks Dermatology In General Medicine Vol 1".
Seventh
Amerika:
McGraw-Hill Companies,
2008.
Buku.