Dickinson, P. (1968). Skin deep. Hodder & Stoughton.
Cita Chicago (17th ed.)Dickinson, Peter. Skin Deep. London: Hodder & Stoughton, 1968.
Cita MLA (8th ed.)Dickinson, Peter. Skin Deep. Hodder & Stoughton, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.