Gaya APA

Widiati, U., Yudoprasetyo, R. (2019). English for Elementary School Students [1] (Cet. 1.--). Sidoarjo: Masmedia Buana Pustaka.

Gaya MLA

Widiati, Utami., Yudoprasetyo, R.. "English for Elementary School Students [1]". Cet. 1.-- Sidoarjo: Masmedia Buana Pustaka, 2019. Text.