Singh, A. (1993). Forts and fortifications in India: With special reference to central India. (2nd ed.). Agam Kala.
Cita Chicago (17th ed.)Singh, A.P. Forts and Fortifications in India: With Special Reference to Central India. 2nd ed. Delhi: Agam Kala, 1993.
Cita MLA (9th ed.)Singh, A.P. Forts and Fortifications in India: With Special Reference to Central India. 2nd ed. Agam Kala, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.