Gaya APA

Pustaka, T, M, B. (2020). English for Elementary School Student Book 6 (Cet 2). Sidoarjo: Masmedia.

Gaya MLA

Pustaka, Tim, Masmedia, Buana. "English for Elementary School Student Book 6". Cet 2 Sidoarjo: Masmedia, 2020. Text.