1. Dialectal variation in the rising accents of American English;Arvaniti,2007
2. Barry, A. S. (2007). The form, function, and distribution of high rising intonation in Southern Californian and Southern British English. Unpublished Ph.D. dissertation, University of Sheffield, Sheffield, UK.
3. Beckman, M. E., & Ayers Elam, G. (1997). Guidelines for ToBI labelling (version 3.0) 〈http://www.ling.ohio-state.edu/∼tobi/ame_tobi/labelling_guide_v3.pdf〉.
4. Intonation across Spanish, in the Tones and Break Indices Framework;Beckman;Probus,2002
5. The original ToBI system and the evolution of the ToBI framework;Beckman,2005