Talon, Manuel; Caruso, Marco; Gmitter, Jr., Fred G. The Genus Citrus. Woodhead Publishing. 2020: 17 [2021-01-30]. ISBN 9780128122174. (原始内容存档于2020-08-19).
Hodgson, Willard. Chapter 4: Horticultural Varieties of Citrus. Webber, Herbert John; rev Walter Reuther and Harry W. Lawton (编). The Citrus Industry. Riverside, California: University of California Division of Agricultural Sciences. 1967–1989 [1943]. (原始内容存档于2012-02-05).
Talon, Manuel; Caruso, Marco; Gmitter, Jr., Fred G. The Genus Citrus. Woodhead Publishing. 2020: 17 [2021-01-30]. ISBN 9780128122174. (原始内容存档于2020-08-19).
Hodgson, Willard. Chapter 4: Horticultural Varieties of Citrus. Webber, Herbert John; rev Walter Reuther and Harry W. Lawton (编). The Citrus Industry. Riverside, California: University of California Division of Agricultural Sciences. 1967–1989 [1943]. (原始内容存档于2012-02-05).