Wilkinson, J., & Moore, R. (1982). Harry's Cosmeticology (7th ed.). Longman Scientific & Technical.
Cita Chicago (17th ed.)Wilkinson, J.B, i R.J Moore. Harry's Cosmeticology. 7th ed. England: Longman Scientific & Technical, 1982.
Cita MLA (9th ed.)Wilkinson, J.B, i R.J Moore. Harry's Cosmeticology. 7th ed. Longman Scientific & Technical, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.