Nagar, S. L. (1993). Protection conservation and preservation of Indian: Monuments. Aryan Books International.
Cita Chicago (17th ed.)Nagar, Shanti Lal. Protection Conservation and Preservation of Indian: Monuments. New Delhi: Aryan Books International, 1993.
Cita MLA (9th ed.)Nagar, Shanti Lal. Protection Conservation and Preservation of Indian: Monuments. Aryan Books International, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.