Cita APA

Freeland Peter. (1991). Focus on biology: Habitats and the environment. London: Hodder and Stoughton.

Chicago Style Citation

Freeland Peter. Focus On Biology: Habitats and the Environment. London: Hodder and Stoughton, 1991.

Cita MLA

Freeland Peter. Focus On Biology: Habitats and the Environment. London: Hodder and Stoughton, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.