Gaya APA

Hassell, H, F, W, /, E, M, /, K, H, R, T, M. (). Color atlas of dental medicine periodontology . : Thieme.

Gaya MLA

Hassell, Herbert, F., Wolf, /, Edih, M, /, Klaus, H., Rateitschak/, Thomas, M.. "Color atlas of dental medicine periodontology". : Thieme, . .