Fishman, J. A., & Haugen, E. (1966). Language loyalty in the United States: The maintenance and perpetuation of non-English mother tongues by American ethnic and religious groups. Ianua linguarum / Series maior.
Citazione stile Chigago Style (17a edizione)Fishman, Joshua A., e Einar Haugen. "Language Loyalty in the United States: The Maintenance and Perpetuation of Non-English Mother Tongues by American Ethnic and Religious Groups." Ianua Linguarum / Series Maior 1966.
Citatione MLA (9a ed.)Fishman, Joshua A., e Einar Haugen. "Language Loyalty in the United States: The Maintenance and Perpetuation of Non-English Mother Tongues by American Ethnic and Religious Groups." Ianua Linguarum / Series Maior, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
