Literary language (English Wikipedia)

Li, Chris Wen-chao (2016). The Routledge encyclopedia of the Chinese language. Oxon. pp. 408–409. ISBN 9781317382492. Retrieved 3 April 2023.{{cite book}}: CS1 maint: location missing publisher (link)
Chan, Marjorie K.M. (2022). Studies in colloquial Chinese and its history : dialect and text. Hong Kong. pp. 36–37. ISBN 9789888754090. Retrieved 3 April 2023.{{cite book}}: CS1 maint: location missing publisher (link)
Langston, Keith; Peti-Stantić, Anita (2014). Language Planning and National Identity in Croatia. Palgrave Studies in Minority Languages and Communities. Springer. p. 26. ISBN 9781137390608.

doi.org (Global: 2^nd place; English: 2^nd place)

Siatkowska, Ewa (2017). "Standaryzacja po kurpiowsku". Polonica (in Polish). 37: 5. doi:10.17651/polon.37.12. ISSN 0137-9712.
Donaldson, Coleman (2019-03-01). "Linguistic and Civic Refinement in the N'ko Movement of Manding-Speaking West Africa". Signs and Society. 7 (2): 156–185, 181. doi:10.1086/702554. ISSN 2326-4489. S2CID 181625415.
Matthee 2009, p. 244. Matthee, Rudi (2009). "Was Safavid Iran an Empire?". Journal of the Economic and Social History of the Orient. 53 (1–2). Brill: 233–265. doi:10.1163/002249910X12573963244449. S2CID 55237025.

Kapović, Mate (2010). Čiji je jezik (PDF) (in Serbo-Croatian) (1 ed.). Zagreb: Algoritam. pp. 55–74. ISBN 9789533162829.

Donaldson, Coleman (2019-03-01). "Linguistic and Civic Refinement in the N'ko Movement of Manding-Speaking West Africa". Signs and Society. 7 (2): 156–185, 181. doi:10.1086/702554. ISSN 2326-4489. S2CID 181625415.
Matthee 2009, p. 244. Matthee, Rudi (2009). "Was Safavid Iran an Empire?". Journal of the Economic and Social History of the Orient. 53 (1–2). Brill: 233–265. doi:10.1163/002249910X12573963244449. S2CID 55237025.

"Літературна мова (стандарт)". Соціологія (in Ukrainian). Retrieved 2019-01-13.

Harold Schiffman, "Diglossia as a Sociolinguistic Situation", in Florian Coulmas (ed.), The Handbook of Sociolinguistics. London: Basil Blackwell, Ltd., 1997 at pp. 205 et seq.

"AccountSupport". aboutmalta.com. Archived from the original on 14 May 2008. Retrieved 14 April 2018.
"Tagalog - Language Information & Resources". www.alsintl.com. Archived from the original on 20 June 2017. Retrieved 14 April 2018.

Siatkowska, Ewa (2017). "Standaryzacja po kurpiowsku". Polonica (in Polish). 37: 5. doi:10.17651/polon.37.12. ISSN 0137-9712.
Donaldson, Coleman (2019-03-01). "Linguistic and Civic Refinement in the N'ko Movement of Manding-Speaking West Africa". Signs and Society. 7 (2): 156–185, 181. doi:10.1086/702554. ISSN 2326-4489. S2CID 181625415.