Tucker, Archibald Norman and Bryan, Margaret and Woodburn, James. 1977. The East African Click Languages: A Phonetic Comparison. In Möhlig, Wilhelm J. G. and Rottland, Franz and Heine, Bernd (eds.), Zur Sprachgeschichte und Ethnohistorie in Afrika, 301–323. Berlin: Dietrich Reimer Verlag.
@incollection{tucker_etal1977,
address = {Berlin},
author = {Tucker, Archibald Norman and Bryan, Margaret and Woodburn, James},
booktitle = {Zur Sprachgeschichte und Ethnohistorie in Afrika},
editor = {Möhlig, Wilhelm J. G. and Rottland, Franz and Heine, Bernd},
pages = {301–323},
publisher = {Dietrich Reimer Verlag},
series = {Neue Beitr"age afrikanistischer Forschungen},
title = {The East African Click Languages: A Phonetic Comparison},
year = {1977}
}