↑ “triin” in Finnish Romani-English Dictionary, ROMLEX – the Romani Lexicon Project, 2000.
↑ Kimmo Granqvist(2011),“Numeraalit[Numerals]”,Lyhyt Suomen romanikielen kielioppi[Consice grammar of Finnish Romani](芬蘭語), Helsinki: Institute for the Languages of Finland, ISBN 978-952-5446-69-2, 页86