APA (7th ed.) Citation

(2007). GCSE Double science biology the revision guide foundation level. Coordination group publications.

Chicago Style (17th ed.) Citation

GCSE Double Science Biology the Revision Guide Foundation Level. Sri lanka: Coordination group publications, 2007.

MLA (9th ed.) Citation

GCSE Double Science Biology the Revision Guide Foundation Level. Coordination group publications, 2007.

Warning: These citations may not always be 100% accurate.