APA (7th ed.) Citation

Astan. (2014). A/L Biology 2005-2013 past papers. astan.

Chicago Style (17th ed.) Citation

Astan. A/L Biology 2005-2013 Past Papers. colombo: astan, 2014.

MLA (9th ed.) Citation

Astan. A/L Biology 2005-2013 Past Papers. astan, 2014.

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