Proto-Indo-European schwebeablaut

MLA

Anttila, Raimo. Proto-indo-european Schwebeablaut. Berkeley (Calif.): University of California press, 1969.

APA

Anttila, R. (1969). Proto-Indo-European schwebeablaut. Berkeley (Calif.): University of California press.

Chicago

Anttila, Raimo Proto-Indo-European Schwebeablaut. Berkeley (Calif.): University of California press, 1969.