- Klein J.D. (2014) Citron Cultivation, Production and Uses in the Mediterranean Region. In: Yaniv Z., Dudai N. (eds) Medicinal and Aromatic Plants of the Middle-East. Medicinal and Aromatic Plants of the World, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-9276-9_10
- Jean-Paul Brigand, Peter Nahon, Gastronomy and the citron tree (Citrus medica L.),
International Journal of Gastronomy and Food Science, Volume 3, 2016, Pages 12-16,
ISSN 1878-450X - Wildflowers of Israel – Etrog
- Citrus medica – an overview at Science Direct online
- Milind S. Ladaniya, COMMERCIAL FRESH CITRUS CULTIVARS AND PRODUCING COUNTRIES, Editor, Milind S. Ladaniya, Citrus Fruit, Academic Press, 2008, Pages 13-V, ISBN 9780123741301
- Eugenio Butelli, Concetta Licciardello, Chandrika Ramadugu, Marie Durand-Hulak, Alessandra Celant, Giuseppe Reforgiato Recupero, Yann Froelicher, Cathie Martin. Noemi Controls Production of Flavonoid Pigments and Fruit Acidity and Illustrates the Domestication Routes of Modern Citrus Varieties. Current Biology, 2018
- Citrus, The Genus Citrus, Ed. Dugo and Giacomo
See full list of Individual Species References.
Please also refer to the General Bibliography and Online Resources.