Gaya APA

Dermatology 1st ed.. (1991). : .

Gaya Chicago

Dermatology 1st ed.. 1st ed.. : , 1991. Text.

Gaya MLA

Dermatology 1st ed.. 1st ed.. : , 1991. Text.

Gaya Turabian

Dermatology 1st ed.. : , 1991. Print.