Gaya APA

Wolff,Kalus, ., Allen, J. (2009). Fitzpatrick's color atlas & synopsis of clinical dermatology (6th.Ed). Singapore: McGraw-Hill.

Gaya MLA

Wolff,Kalus, ., Allen, Johnson,Richard. "Fitzpatrick's color atlas & synopsis of clinical dermatology". 6th.Ed Singapore: McGraw-Hill, 2009. Text.