Gaya APA

Porter, R, C, /, E, O, /, S. (). Cawson's essentials of oral pathology and oral medicine (ed. 7) . : Churchill Livingstone.

Gaya MLA

Porter, R.A., Cawson, /, E.W, Odell, /, S.. "Cawson's essentials of oral pathology and oral medicine (ed. 7)". : Churchill Livingstone, . .