Template:R:ine:Shields:1992
Shields, Kenneth C. (1992) A History of Indo-European Verb Morphology (Current Issues in Linguistic Theory; 88), Amsterdam, Philadelphia: John Benjamins Publishing Company, →ISBN
Shields, Kenneth C. (1992) A History of Indo-European Verb Morphology (Current Issues in Linguistic Theory; 88), Amsterdam, Philadelphia: John Benjamins Publishing Company, →ISBN