Gaya APA

Hwa, L, P. (2009). Refresh Your Vocabulary fun Learning English Vocabulary (Cet. 1). Yogyakarta: Andi.

Gaya MLA

Hwa, Lie, Pu. "Refresh Your Vocabulary fun Learning English Vocabulary". Cet. 1 Yogyakarta: Andi, 2009. BUKU TEKS.