Warmington, M. J. (1981). Velvet rose. Macdonald Futura.
Cita Chicago (17th ed.)Warmington, Mary Jane. Velvet Rose. London: Macdonald Futura, 1981.
Cita MLA (8th ed.)Warmington, Mary Jane. Velvet Rose. Macdonald Futura, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.