Singh, R. (1996). Service: Heart of hospitality. Shipra.
Chicagoスタイル(17版)引用形式Singh, R. Service: Heart of Hospitality. Delhi: Shipra, 1996.
MLA(9版)引用形式Singh, R. Service: Heart of Hospitality. Shipra, 1996.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式