երկու
Armenianina Taloha
Ovay
Tambinteny
երկու
Tsiahy
- Abrahamyan, Ašot (1976) Grabari jeṙnark [A Handbook of Old Armenian] (in Armenian), 4th edition, Yerevan: Luys
- Ačaṙean, Hračʿeay (1971–1979), “երկու”, in Hayerēn armatakan baṙaran [Armenian Etymological Dictionary] (in Armenian), 2nd edition, a reprint of the original 1926–1935 seven-volume edition, Yerevan: University Press
- Awetikʿean, G.; Siwrmēlean, X.; Awgerean, M. (1836–1837), “երկու”, in Nor baṙgirkʿ haykazean lezui [New Dictionary of the Armenian Language] (in Old Armenian), Venice: S. Lazarus Armenian Academy
- Fortson, Benjamin W. (2010) Indo-European Language and Culture: An Introduction, second edition, Oxford: Blackwell, page 387
- Martirosyan, Hrach (2010) Etymological Dictionary of the Armenian Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 8), Leiden, Boston: Brill, page 269
- Matasović, Ranko (2009) A Grammatical Sketch of Classical Armenian[1], Zagreb, page 14
- Petrosean, H. Matatʿeay V. (1879), “երկու”, in Nor Baṙagirkʿ Hay-Angliarēn [New Dictionary Armenian–English], Venice: S. Lazarus Armenian Academy
- Ity pejy ity dia nadika avy amin'ny pejy երկու tao amin'ny Wikibolana amin'ny teny anglisy. (lisitry ny mpandray anjara)