Vine 2017, p. 752. Vine, Brent (2017). "48. The morphology of Italic". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 2. Walter de Gruyter. pp. 751–804. doi:10.1515/9783110523874-003. ISBN978-3-11-054243-1.
Hartmann 2018, p. 1854: "The Siculian language is widely believed to be of Indo-European, Italic origin..." Hartmann, Markus (2018). "105. Siculian". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 3. Berlin: Walter de Gruyter. pp. 1854–1857. doi:10.1515/9783110542431-026. ISBN978-3-11-054243-1. S2CID242076323.
Meiser 2017, p. 744. Meiser, Gerhard (2017). "47. The phonology of Italic". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 2. Walter de Gruyter. pp. 743–751. doi:10.1515/9783110523874-002. ISBN978-3-11-054243-1.
Meiser 2017, pp. 744, 750. Meiser, Gerhard (2017). "47. The phonology of Italic". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 2. Walter de Gruyter. pp. 743–751. doi:10.1515/9783110523874-002. ISBN978-3-11-054243-1.
Meiser 2017, pp. 749. Meiser, Gerhard (2017). "47. The phonology of Italic". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 2. Walter de Gruyter. pp. 743–751. doi:10.1515/9783110523874-002. ISBN978-3-11-054243-1.
Vine 2017, p. 786. Vine, Brent (2017). "48. The morphology of Italic". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 2. Walter de Gruyter. pp. 751–804. doi:10.1515/9783110523874-003. ISBN978-3-11-054243-1.
Vine 2017, pp. 795–796. Vine, Brent (2017). "48. The morphology of Italic". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 2. Walter de Gruyter. pp. 751–804. doi:10.1515/9783110523874-003. ISBN978-3-11-054243-1.
Hartmann 2018, p. 1854: "The Siculian language is widely believed to be of Indo-European, Italic origin..." Hartmann, Markus (2018). "105. Siculian". In Klein, Jared; Joseph, Brian; Fritz, Matthias (eds.). Handbook of Comparative and Historical Indo-European Linguistics. Vol. 3. Berlin: Walter de Gruyter. pp. 1854–1857. doi:10.1515/9783110542431-026. ISBN978-3-11-054243-1. S2CID242076323.