ARTDAILY. The Fruit of Promise: Citrus Fruits in Art and Culture at the Germanisches National Museum. artdaily.cc [online]. [cit. 2020-12-22]. Dostupné online. (anglicky)
(PDF) Chemical composition of the essential oils from some citrus species and evaluation of the antimicrobial activity. ResearchGate [online]. [cit. 2020-12-23]. DOI: 10.9790/2402-1110032933. Dostupné online. (anglicky)
MABBERLEY, D. J. CITRUS (RUTACEAE): A REVIEW OF RECENT ADVANCES IN ETYMOLOGY, SYSTEMATICS AND MEDICAL APPLICATIONS [online]. 2004-12-10 [cit. 2020-12-22]. Dostupné online.