Sanz, Jesús, Arturo Velasco-negueruela, María José Pérez-alonso, y Jesús Palá-paúl. «The volatile components of the aerial parts of Melittis melissophyllum L. subsp. melissophyllum gath». Botanica Complutensis, vol. 28, vol. 28, 2005, pp. 133-6, https://revistas.ucm.es/index.php/BOCM/article/view/BOCM0404110133A.