APA
Savin J., Dahl M., . (1991). Clinical dermatology. London: Blackwell Scientific publications.
Chicago
Savin JA, Dahl MV, . 1991. Clinical dermatology. London: Blackwell Scientific publications.
Harvard
Savin J., Dahl M., . (1991). Clinical dermatology. London: Blackwell Scientific publications.
MLA
Savin JA, Dahl MV, . Clinical dermatology. London: Blackwell Scientific publications. 1991.