APA (7th ed.) Citation

Ma, S. H. (2014). Effect of natural colourant and synthetic colourant on pH value of lipstick.

Chicago Style (17th ed.) Citation

Ma, Sze Hui. Effect of Natural Colourant and Synthetic Colourant on PH Value of Lipstick. 2014.

MLA (9th ed.) Citation

Ma, Sze Hui. Effect of Natural Colourant and Synthetic Colourant on PH Value of Lipstick. 2014.

Warning: These citations may not always be 100% accurate.