JAIN B B. (2023). UPKAR'S CORRECT ENGLISH (2023.). UPKAR PRAKASHAN.
Chicago Style aipamenaJAIN B B. UPKAR'S CORRECT ENGLISH. 2023. AGRA: UPKAR PRAKASHAN, 2023.
MLA aipamenaJAIN B B. UPKAR'S CORRECT ENGLISH. 2023. UPKAR PRAKASHAN, 2023.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.