Cita APA (7th ed.)

Clegg, C. J. (2007). Biology: For the IB diploma. Hodder Education.

Cita Chicago (17th ed.)

Clegg, C. J. Biology: For the IB Diploma. London: Hodder Education, 2007.

Cita MLA (9th ed.)

Clegg, C. J. Biology: For the IB Diploma. Hodder Education, 2007.