Hay, R., & Synge, P. M. (1969). The dictionary of garden plants in colour with house and greenhouse plants. Ebury Press and Michael Joseph.
Cita Chicago (17th ed.)Hay, Roy, i Patrick M. Synge. The Dictionary of Garden Plants in Colour with House and Greenhouse Plants. London: Ebury Press and Michael Joseph, 1969.
Cita MLA (9th ed.)Hay, Roy, i Patrick M. Synge. The Dictionary of Garden Plants in Colour with House and Greenhouse Plants. Ebury Press and Michael Joseph, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.