Gaya APA

Sipayung, A, E. (2022). Explore Your English for Elementary School Grade 4 (Ed.1 jilid 4). Sidoarjo: Masmedia.

Gaya MLA

Sipayung, Anna, Elyruspika. "Explore Your English for Elementary School Grade 4". Ed.1 jilid 4 Sidoarjo: Masmedia, 2022. Text.