Cita APA (7th ed.)

LEON ALEXIS. (2012). ENTERPRISE RESOURCE PLANNING (2ND ED.). TATA MC GRAW HILL.

Cita Chicago (17th ed.)

LEON ALEXIS. ENTERPRISE RESOURCE PLANNING. 2ND ED. NEW DELHI: TATA MC GRAW HILL, 2012.

Cita MLA (9th ed.)

LEON ALEXIS. ENTERPRISE RESOURCE PLANNING. 2ND ED. TATA MC GRAW HILL, 2012.