Gaya APA

Yuningsih, Y., Wardani, S. (2008). Closer to word : all about words . Surakarta: PT Era Pustaka Utama.

Gaya MLA

Yuningsih, Yuyun., Wardani, Susilo. "Closer to word : all about words". Surakarta: PT Era Pustaka Utama, 2008. Text.