Zachariah, K. C. & Rajan, S. Irudaya (2008), Kerala Migration Survey 2007آرکائیو شدہ(Date missing) بذریعہ cds.edu (Error: unknown archive URL) (PDF), Department of Non-resident Keralite Affairs, Government of Kerala, p. 48. This is the number of emigrants from Kerala, which is closely related to but different from the actual number of Malayalis.
Zachariah, K. C. & Rajan, S. Irudaya (2011), Kerala Migration Survey 2011آرکائیو شدہ(Date missing) بذریعہ cds.edu (Error: unknown archive URL) (PDF), Department of Non-resident Keralite Affairs, Government of Kerala, p. 29. This is the number of emigrants from Kerala, which is closely related to but different from the actual number of Malayalis.
"Kerala Migration Survey - 2014"۔ The Indian Express.( This is the number of approximate emigrants from Kerala, which is closely related to, but different from the actual number of Malayalis.) (17 September 2014)۔ 26 دسمبر 2018 میں اصل سے آرکائیو شدہ۔ اخذ شدہ بتاریخ 21 اکتوبر 2014الوسيط |url-status= تم تجاهله (معاونت)
Mikael Parkvall, "Världens 100 största språk 2007" (The World's 100 Largest Languages in 2007), in Nationalencyklopedin. Asterisks mark the 2010 estimates for the top dozen languages.
"Kerala Migration Survey - 2014"۔ The Indian Express.( This is the number of approximate emigrants from Kerala, which is closely related to, but different from the actual number of Malayalis.) (17 September 2014)۔ 26 دسمبر 2018 میں اصل سے آرکائیو شدہ۔ اخذ شدہ بتاریخ 21 اکتوبر 2014الوسيط |url-status= تم تجاهله (معاونت)