Werner, Otmar. 1972. Phonemik des Deutschen. (Sammlung Metzler, 108.) Stuttgart: J.B. Metzler Verlagsbuchhandlung.
@book{werner1972,
address = {Stuttgart},
author = {Werner, Otmar},
publisher = {J.B. Metzler Verlagsbuchhandlung},
series = {Sammlung Metzler},
title = {Phonemik des Deutschen},
volume = {108},
year = {1972}
}