APA
Morand O., Tarafdar Sushismita ?????????, Reffet Kevin & Indian Statistical Institute Planning Unit. (2011). A non-smooth approach to envelope theorems. New Delhi: ISI-Delhi.
Chicago
Morand Olivier, Tarafdar Sushismita ?????????, Reffet Kevin and Indian Statistical Institute Planning Unit. 2011. A non-smooth approach to envelope theorems. New Delhi: ISI-Delhi.
Harvard
Morand O., Tarafdar Sushismita ?????????, Reffet Kevin and Indian Statistical Institute Planning Unit. (2011). A non-smooth approach to envelope theorems. New Delhi: ISI-Delhi.
MLA
Morand Olivier, Tarafdar Sushismita ?????????, Reffet Kevin and Indian Statistical Institute Planning Unit. A non-smooth approach to envelope theorems. New Delhi: ISI-Delhi. 2011.