Pillsbury, D. M., & Heaton, C. L. (1980). A Manual of dermatogy.
Cita Chicago (17th ed.)Pillsbury, Donad M., i Charles L. Heaton. A Manual of Dermatogy. 1980.
Cita MLA (9th ed.)Pillsbury, Donad M., i Charles L. Heaton. A Manual of Dermatogy. 1980.
Atenció: Aquestes cites poden no estar 100% correctes.