APA
Ashby P., . (2021). Understanding Phonetics. : Sarat - Routledge.
Chicago
Ashby P, . 2021. Understanding Phonetics. : Sarat - Routledge.
Harvard
Ashby P., . (2021). Understanding Phonetics. : Sarat - Routledge.
MLA
Ashby P, . Understanding Phonetics. : Sarat - Routledge. 2021.