Gaya APA

KRISTANTO, L. et al (2016). The influence of wall color and lamp color temperature to student's concentration and cognition . Surabaya: LPPM Univ Petra.

Gaya MLA

KRISTANTO, Luciana. et al. "The influence of wall color and lamp color temperature to student's concentration and cognition". Surabaya: LPPM Univ Petra, 2016. Artikel.