An Introduction to Language Attrition: Linguistic, Social, and Cognitive Perspectives
暫譯: 語言流失導論：語言學、社會及認知的視角

Michael T. Putnam is Professor of German and Linguistics at Penn State University and currently serves as the Director of the Linguistics Program.

David Natvig is Associate Professor of Nordic Linguistics at the University of Stavanger.

邁克爾·T·普特南是賓州州立大學的德語及語言學教授，目前擔任語言學計畫的主任。

大衛·納特維格是斯塔萬格大學的北歐語言學副教授。