APA (7th ed.) Citation

Hearn, J. (2012). OCR AS economics, Unit F581, Markets in action (New ed.). Philip Allan.

Chicago Style (17th ed.) Citation

Hearn, John. OCR AS Economics, Unit F581, Markets in Action. New ed. Deddington, Oxfordshire: Philip Allan, 2012.

MLA (9th ed.) Citation

Hearn, John. OCR AS Economics, Unit F581, Markets in Action. New ed. Philip Allan, 2012.