APA Style

astuty, H, S. et al (2018). English For special Purpose, Business English Course on Economic Education Program (I). Lamongan: CV. Pustaka Jati.

MLA Style

astuty, Henny, Sri. et al. "English For special Purpose, Business English Course on Economic Education Program". I Lamongan: CV. Pustaka Jati, 2018. Buku PGSD.