Sommerfelt, A., & Marm, I. (1943). Teach yourself Norwegian : a book of self-instruction in the Norwegian Riksmal / by A. Sommerfelt and I. Marm: A book of self-instruction in the Norwegian Riksmal. E.U.P..
Chicago Style (17th ed.) CitationSommerfelt, A., and I. Marm. Teach Yourself Norwegian : A Book of Self-instruction in the Norwegian Riksmal / by A. Sommerfelt and I. Marm: A Book of Self-instruction in the Norwegian Riksmal. E.U.P., 1943.
MLA (9th ed.) CitationSommerfelt, A., and I. Marm. Teach Yourself Norwegian : A Book of Self-instruction in the Norwegian Riksmal / by A. Sommerfelt and I. Marm: A Book of Self-instruction in the Norwegian Riksmal. E.U.P., 1943.
Warning: These citations may not always be 100% accurate.