Melissa King, Fact Sheet: What is a Cultivar?, Gardening Australia, (lire en ligne)
archive.org
de Candolle, A., Laws of Botanical Nomenclature adopted by the International Botanical Congress held at Paris in August 1867; together with an Historical Introduction and Commentary by Alphonse de Candolle, Translated from the French, London, L. Reeve and Co., (lire en ligne) Article 14 (p. 20-21 and commentary page 42)
ucr.edu
citrusvariety.ucr.edu
Variegated Pink Fleshed Eureka lemon, University of California at Riverside (lire en ligne)
