Singh, R. (1996). Service: Heart of hospitality. Shipra.
Cita Chicago Style (17a ed.)Singh, R. Service: Heart of Hospitality. Delhi: Shipra, 1996.
Cita MLA (9a ed.)Singh, R. Service: Heart of Hospitality. Shipra, 1996.
Precaución: Estas citas no son 100% exactas.