APA-čujuhus (7. p.)

Singh Ravindra Kumar. Law Relating to Electronic Contracts. Lexix Nexis.

Chicago-čujuhus (17. p.)

Singh Ravindra Kumar. Law Relating to Electronic Contracts. Gurgaon Gurgaon: Lexix Nexis.

MLA-čujuhus (9. p.)

Singh Ravindra Kumar. Law Relating to Electronic Contracts. Lexix Nexis.

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