Thöni, G. P. (1969). Rumantsch-Surmeir: Grammatica per igl idiom surmiran. Ligia Romontscha.
Chicago Style (17th ed.) CitationThöni, Gion Peder. Rumantsch-Surmeir: Grammatica Per Igl Idiom Surmiran. Coira: Ligia Romontscha, 1969.
MLA (9th ed.) CitationThöni, Gion Peder. Rumantsch-Surmeir: Grammatica Per Igl Idiom Surmiran. Ligia Romontscha, 1969.
Warning: These citations may not always be 100% accurate.