APA
Langevin R. G., . (2004). Best Management Practices: Customer Focus. : Viva Books Private Limited.
Chicago
Langevin Roger G, . 2004. Best Management Practices: Customer Focus. : Viva Books Private Limited.
Harvard
Langevin R. G., . (2004). Best Management Practices: Customer Focus. : Viva Books Private Limited.
MLA
Langevin Roger G, . Best Management Practices: Customer Focus. : Viva Books Private Limited. 2004.