Dwivedi, R. L. (1990). Fundamentals of political geography. Chaitanya Publishing House.
Cita Chicago (17th ed.)Dwivedi, R. L. Fundamentals of Political Geography. Allahabad: Chaitanya Publishing House, 1990.
Cita MLA (9th ed.)Dwivedi, R. L. Fundamentals of Political Geography. Chaitanya Publishing House, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.