References 

Tefl.net. 2021. Pronunciation Problems For Spanish-Speaking Learners Of English | Teflnet. [online] Available at: <https://www.tefl.net/elt/articles/teacher-technique/spanish-speaker-pronunciation-problems/>

Most Common Pronunciation Errors for Spanish Speakers Learning English. Accent Modification, Communication Skills: Packard. (2020). Retrieved 29 July 2021, from https://packardcommunications.com/pronunciation-english-spanish/.

6 Pronunciation Mistakes Spanish Speakers Make in English (And how to Fix Them) | Oxford House Barcelona. Oxford House. (2020). Retrieved 29 July 2021, from https://oxfordhousebcn.com/en/6-pronunciation-mistakes-spanish-speakers-make-in-english-and-how-to-fix-them/.

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What is error? What is error analysis? Describe the types of error, source/cause of error... Talimenam.blogspot.com. (2014). Retrieved 30 July 2021, from https://talimenam.blogspot.com/2014/12/what-is-error-what-is-error-analysis.html.