Gaya APA

Agista, P, C., Padmajati, J. (2003). I know dates, Months, and Time . Yogyakarta: Kanisius.

Gaya MLA

Agista, Paulina, Candra., Padmajati, Julitta. "I know dates, Months, and Time". Yogyakarta: Kanisius, 2003. Book.