SOOD, A. B. (2012). UNIVERSAL SCIENCE CLASS- 6. LONGMAN.
Cita Chicago (17th ed.)SOOD, ANITA/ BHANDARI. UNIVERSAL SCIENCE CLASS- 6. LONGMAN, 2012.
Cita MLA (9th ed.)SOOD, ANITA/ BHANDARI. UNIVERSAL SCIENCE CLASS- 6. LONGMAN, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.