Gaya APA

Widiati, U., Yudoprasetyo, R. (2020). English for Elementary School Students [2] (Cet. 1.--). Sidoarjo: Masmedia Buana Pustaka.

Gaya MLA

Widiati, Utami., Yudoprasetyo, R.. "English for Elementary School Students [2]". Cet. 1.-- Sidoarjo: Masmedia Buana Pustaka, 2020. Text.