Fishman, Joshua A. 1966. Language Loyalty in the United States: The Maintenance and Perpetuation of Non-English Mother Tongues by American Ethnic and Religious Groups. (Janua Linguarum. Series Maior, 21.) The Hague: Mouton.
@book{Fishman1966,
address = {The Hague},
author = {Fishman, Joshua A.},
number = {21},
publisher = {Mouton},
series = {Janua Linguarum. Series Maior},
title = {Language Loyalty in the United States: The Maintenance and Perpetuation of Non-English Mother Tongues by American Ethnic and Religious Groups},
year = {1966}
}