Singh S P. Advanced Practical Physics VOL.2. Pragati Prakashan.
Chicago Style aipamenaSingh S P. Advanced Practical Physics VOL.2. Meerut: Pragati Prakashan.
MLA aipamenaSingh S P. Advanced Practical Physics VOL.2. Pragati Prakashan.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.