APA Citation

Wulansari, W. (2017). Students’ errors in pronouncing English vowel sounds: An acoustic analysis across different levels of ability at UIN Sunan Ampel Surabaya.

Chicago Style Citation

Wulansari, Wulansari. Students’ Errors in Pronouncing English Vowel Sounds: An Acoustic Analysis Across Different Levels of Ability At UIN Sunan Ampel Surabaya. 2017.

MLA Citation

Wulansari, Wulansari. Students’ Errors in Pronouncing English Vowel Sounds: An Acoustic Analysis Across Different Levels of Ability At UIN Sunan Ampel Surabaya. 2017.

Warning: These citations may not always be 100% accurate.