APA
Singh S., . (2007). Triple bottom line reporting and corporate sustainability. New Delhi: Prentice - Hall of India Private Ltd.
Chicago
Singh S, . 2007. Triple bottom line reporting and corporate sustainability. New Delhi: Prentice - Hall of India Private Ltd.
Harvard
Singh S., . (2007). Triple bottom line reporting and corporate sustainability. New Delhi: Prentice - Hall of India Private Ltd.
MLA
Singh S, . Triple bottom line reporting and corporate sustainability. New Delhi: Prentice - Hall of India Private Ltd. 2007.