SINGH, P. R. (2012). CANDID ICSE BIOLOGY- 6. EVERGREEN.
Cita Chicago (17th ed.)SINGH, PRADEEP/ ROY. CANDID ICSE BIOLOGY- 6. EVERGREEN, 2012.
Cita MLA (9th ed.)SINGH, PRADEEP/ ROY. CANDID ICSE BIOLOGY- 6. EVERGREEN, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.