(ja) Japan Fruit Tree Seedling Association, National Research and Development Agency Agricultural and Food Technology Research Organization (Agricultural Research Organization), International Research Center for Agriculture, Forestry and Fisheries, Le grand livre des fruits illustré [« 図説 果物の大図鑑 »], Tokyo, Mynavi Publishing, , 255 p. (ISBN978-4-8399-5384-3, lire en ligne), 三宝柑, p. 98
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Pierre Feuga (Publié sous la direction d'Aline Apostolska), Tantrisme. Doctrine, pratique, art, rituel. .., Paris, Dangles, (1re éd. 1994), 355 p. (ISBN978-2-703-30852-2, lire en ligne), p. 286 (note 20) ; 78
(en) Giles R. Hooper, A study of the “Twelve Reflections” (dvādaśa bhāvanāḥ) depicted by the eleventh-century Jain Digambara scholar Ācārya Śubhacandra in his “Ocean of Knowledge” (Jñānārṇava) and an analysis of his contribution to the development of Jain meditation practice (Thèse de philosophie), University of Sidney, , 425 p. (lire en ligne), p. 54 et passim