Drummond, H. (2012). Guide to decision making: Getting it more right than wrong (1st edition.). John Wiley & Sons, Inc.
Cita Chicago Style (17a ed.)Drummond, Helga. Guide to Decision Making: Getting It More Right than Wrong. 1st edition. Hoboken, New Jersey: John Wiley & Sons, Inc, 2012.
Cita MLA (9a ed.)Drummond, Helga. Guide to Decision Making: Getting It More Right than Wrong. 1st edition. John Wiley & Sons, Inc, 2012.
Precaución: Estas citas no son 100% exactas.