Jackson, R. M. (2014). Annual editions: Global issues (30th edition.). McGraw Hill Create.
Cita Chicago (17th ed.)Jackson, Robert M. Annual Editions: Global Issues. 30th edition. [New York ]: McGraw Hill Create, 2014.
Cita MLA (9th ed.)Jackson, Robert M. Annual Editions: Global Issues. 30th edition. McGraw Hill Create, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.