Poucher, W. Textbook of Cosmetics. new Delhi.
Cita Chicago (17th ed.)Poucher, W.A. Textbook of Cosmetics. CBS Publishers & Distributors Pvt. Ltd: new Delhi.
Cita MLA (9th ed.)Poucher, W.A. Textbook of Cosmetics. new Delhi.
Atenció: Aquestes cites poden no estar 100% correctes.