Frick, A., & Gabriel, E. (1990). Die Mundarten von Liechtenstein. Vaduz.
Chicago Style CitationFrick, Alexander, and Eugen Gabriel. Die Mundarten Von Liechtenstein. Vaduz, 1990.
MLA CitationFrick, Alexander, and Eugen Gabriel. Die Mundarten Von Liechtenstein. Vaduz, 1990.
Warning: These citations may not always be 100% accurate.