Gaya APA

Purwanto, H., Pitriyani, I. (2013). Handy Tips for Exchanging Greeting . Yogyakarta: PT.CITRA AJI PARAMA.

Gaya MLA

Purwanto, Heri., Pitriyani, Iwuk. "Handy Tips for Exchanging Greeting". Yogyakarta: PT.CITRA AJI PARAMA, 2013. Text.