APA Style

Graves, G. (2012). IB Economics: Paper 3 Numerical Questions Higher Level: Practice Questions with Answers (OSC IB Revision Guides for the International Baccalaureate Diploma) . United Kingdom: OSC Publishing.

MLA Style

Graves, George. "IB Economics: Paper 3 Numerical Questions Higher Level: Practice Questions with Answers (OSC IB Revision Guides for the International Baccalaureate Diploma)". United Kingdom: OSC Publishing, 2012. Printed Book.