ความลับของสีม่วง | Point of View

อ้างอิง

- born in the purple. (n.d.). TheFreeDictionary.Com. https://idioms.thefreedictionary.com/born+to+the+purple

- British Library. (n.d.). Elizabethan dress codes. https://www.bl.uk/learning/timeline/item126628.html

- Cartwright, M. (2016, July 21). Tyrian Purple. World History Encyclopedia. https://www.ancient.eu/Tyrian_Purple/

- Clair, S. K. (2017). The Secret Lives of Color (Later Printing ed.). Penguin Books.

- Grovier, K. (2018, August 1). Tyrian Purple: The disgusting origins ...