Gaya APA

Restu, A. (2002). Let's study English! A Course Book for Departement of Merchant Shipping Management& Port . Yogyakarta: Akademi Maritim Yogyakarta.

Gaya MLA

Restu, Arini. "Let's study English! A Course Book for Departement of Merchant Shipping Management& Port". Yogyakarta: Akademi Maritim Yogyakarta, 2002. Text.