References for Thanks

Aston, G. (1995). Say 'thank you': Some pragmatic constraints in conversational closings. Applied Linguistics 16, 1, 57-86.

Apte, M. L. (1974). "Thank you" and South Asian Languages: A comparative Sociolinguistic Study. Linguistics, 136, 67-89.

Coulmas, F. (1981). "Poison to your soul": Thanks and apologies contrastively viewed. In F. Coulmas (Ed.), Conversational Routine: Explorations in Standardized Communication Situations and Prepatterned Speech. The Hague, the Netherlands: Mouton Publishers.

Eisenstein, M. & Bodman, J. (1986). 'I very appreciate': Expressions of gratitude by native and non-native speakers of American English. Applied Linguistics 7, 2, 167-185.

Hinkel, E. (1994). Pragmatics of interaction: Expressing thanks in a second language. Applied Language Learning, 5(1), 73-91.