ICSE SAMPLE QUESTION PAPERS - BIOLOGY - STD X (1ST.). EVERGREEN PUBLICTIONS.
Chicago-viite (17. p.)ICSE SAMPLE QUESTION PAPERS - BIOLOGY - STD X. 1ST. JALANDHAR: EVERGREEN PUBLICTIONS.
MLA-viite (9. p.)ICSE SAMPLE QUESTION PAPERS - BIOLOGY - STD X. 1ST. EVERGREEN PUBLICTIONS.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.