Gaya APA

Nurgianta,dkk, . (2012). Keakhwatan 4 (Cet. I). Solo: PT Era Adi Citra Intermedia.

Gaya MLA

Nurgianta,dkk, . "Keakhwatan 4". Cet. I Solo: PT Era Adi Citra Intermedia, 2012. Text.