Gaya APA

Ratna, C, U. (2007). Mata (ed. 1 cet. 1). Balikpapan: NADIA SARANA UTAMA.

Gaya MLA

Ratna, Citra, Utami,. "Mata". ed. 1 cet. 1 Balikpapan: NADIA SARANA UTAMA, 2007. Text.