Gaya APA

Choudhury, A, K, R. (2014). Principles of colour appearance and measurement: Object appearance, colour perception and instrumental measurement . United Kingdom: Woodhead Publishing.

Gaya MLA

Choudhury, Asim, Kumar, Roy. "Principles of colour appearance and measurement: Object appearance, colour perception and instrumental measurement". United Kingdom: Woodhead Publishing, 2014. Text.