Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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