Brickell, C. (1996). The Royal Horticultural Society A-Z encyclopedia of garden plants. Dorling Kindersley.
Cita Chicago (17th ed.)Brickell, Christopher. The Royal Horticultural Society A-Z Encyclopedia of Garden Plants. London: Dorling Kindersley, 1996.
Cita MLA (9th ed.)Brickell, Christopher. The Royal Horticultural Society A-Z Encyclopedia of Garden Plants. Dorling Kindersley, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.