Hewitt, George B. 1979. Abkhaz. (Lingua Descriptive Studies, 2.) Amsterdam: North-Holland.
@book{sinnemakizeromarking-Hewitt1979, address = {Amsterdam}, author = {Hewitt, George B.}, publisher = {North-Holland}, series = {Lingua Descriptive Studies}, title = {Abkhaz}, volume = {2}, year = {1979} }