Sawamura M.: Citrus junos Sieb. ex Tanaka (Yuzu) fruits. In Dris R.(Ed.), “Growth, Nutrition, and Quality,” pp. 1-24, WFL Publisher, Finland (2005).
Lan Phi N. T., Sawamura M.: Recent studies on citrus essential oils from East Asia. In Jirovetz L., Dung N. X., Varshney V. K.(Eds.), “Aromatic Plants from Asia, Their Chemistry and Application in Food and Therapy,” pp. 127-153, Har Krishan Bhalla & Sons, Dehradun, India (2007).