Lua APA (7ú heag.)

SINGH LAKMIR. (2021). SCIENCE FOR NINTH CLASS PART 2 CHEMISTRY (2021.). S.CHAND.

Lua i Stíl Chicago (17ú heag.)

SINGH LAKMIR. SCIENCE FOR NINTH CLASS PART 2 CHEMISTRY. 2021. NEW DELHI: S.CHAND, 2021.

Lua MLA (9ú heag.)

SINGH LAKMIR. SCIENCE FOR NINTH CLASS PART 2 CHEMISTRY. 2021. S.CHAND, 2021.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.