Dolgopolski, A.B. (1966). [russ.] Materialy po sravnitel'no-istoričeskoj fonetike kusitskix jazykov: Gubnye i dental'nye smyčnye v načal'nom polozenii ['Materials for the comparative and historical phonetics of the Cushitic languages: labial and dental occlusives in initial position']. Moskau: Izdatel'stvo 'Nauka'. Glavnaja redakcija vostočnoj literatury.
Chicago-Zitierstil (17. Ausg.)Dolgopolski, A.B. [russ.] Materialy Po Sravnitel'no-istoričeskoj Fonetike Kusitskix Jazykov: Gubnye I Dental'nye Smyčnye V Načal'nom Polozenii ['Materials for the Comparative and Historical Phonetics of the Cushitic Languages: Labial and Dental Occlusives in Initial Position']. Moskau: Izdatel'stvo 'Nauka'. Glavnaja redakcija vostočnoj literatury, 1966.
MLA-Zitierstil (8. Ausg.)Dolgopolski, A.B. [russ.] Materialy Po Sravnitel'no-istoričeskoj Fonetike Kusitskix Jazykov: Gubnye I Dental'nye Smyčnye V Načal'nom Polozenii ['Materials for the Comparative and Historical Phonetics of the Cushitic Languages: Labial and Dental Occlusives in Initial Position']. Moskau: Izdatel'stvo 'Nauka'. Glavnaja redakcija vostočnoj literatury, 1966.