Gaya APA

Nurhasanah, ., Hutagalung, N, V. (2012). Samudra (Oceans) (Agustus 2012). Indonesia: Ensiklopedia Nasional Indonesia.

Gaya MLA

Nurhasanah, ., Hutagalung, Nurina, Vidya. "Samudra (Oceans)". Agustus 2012 Indonesia: Ensiklopedia Nasional Indonesia, 2012. Text.