Gaya APA

Wibowo, A., Wibowo, M, C. (2020). E-BOOK ENGLISH FOR COMMUNICATION 1 Purpose of the Study . Semarang: YAYASAN PRIMA AGUS TEKNIK.

Gaya MLA

Wibowo, Agus., Wibowo, Mars, Caroline. "E-BOOK ENGLISH FOR COMMUNICATION 1 Purpose of the Study". Semarang: YAYASAN PRIMA AGUS TEKNIK, 2020. Text.