Armstrong, Lilias E. 1964. The Phonetic Structure of Somali. Mitteilungen des Seminars für Orientalische Sprachen Berlin 37. 116–161.
@article{armstrong1964, author = {Armstrong, Lilias E.}, journal = {Mitteilungen des Seminars für Orientalische Sprachen Berlin}, number = {3}, pages = {116–161}, title = {The Phonetic Structure of Somali}, volume = {37}, year = {1964} }