Kogent Learning Solutions, Inc. (2010). SAP SD questions and answers. Jones and Bartlett Publishers.
Citazione stile Chigago Style (17a edizione)Kogent Learning Solutions, Inc. SAP SD Questions and Answers. Sudbury, Mass: Jones and Bartlett Publishers, 2010.
Citatione MLA (9a ed.)Kogent Learning Solutions, Inc. SAP SD Questions and Answers. Jones and Bartlett Publishers, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.