APA
Hernandez J. A., . (2004). The sap r/3 handbook. Tata McGraw Hill, New delhi: .
Chicago
Hernandez Jose Antonio, . 2004. The sap r/3 handbook. Tata McGraw Hill, New delhi: .
Harvard
Hernandez J. A., . (2004). The sap r/3 handbook. Tata McGraw Hill, New delhi: .
MLA
Hernandez Jose Antonio, . The sap r/3 handbook. Tata McGraw Hill, New delhi: . 2004.