I am currently working on my dissertation and I selected Peter Garrett's theoretical framework for Language Attitudes, I am not able to access many studies but the critical one is the one mentioned above. I will be highly obliged if someone shares the complete study with me.
Thank You.
Garrette, P., Bishop, H. and Coupland, N., 2009, Diasporic ethnolinguistic subjectivities:
Patagonia, North America and Wales. International journal of the sociology of the
language 195, 173-99.