MLA Style
Ayniyah, Hillah. Hello and Goodbye. Surabaya: CV. Cipta Media Edukasi, 2020. Online.
Chicago Style
Ayniyah, Hillah. Hello and Goodbye. Surabaya: CV. Cipta Media Edukasi, 2020.
Turabian Style
Ayniyah, Hillah, Hello and Goodbye. Surabaya: CV. Cipta Media Edukasi, 2020.
APA Style
Ayniyah, Hillah. (2020). Hello and Goodbye. Surabaya: CV. Cipta Media Edukasi.
Harvard Style
Ayniyah, Hillah, 2020, Hello and Goodbye, CV. Cipta Media Edukasi, Surabaya.
IEEE Style
Hillah Ayniyah, Hello and Goodbye. Surabaya: CV. Cipta Media Edukasi, 2020.