Krishna, B. (1979). Principles of civics: For intermediate classes (16., rev. & enlarged ed.). Kitab Mahal.
Cita Chicago Style (17a ed.)Krishna, Bal. Principles of Civics: For Intermediate Classes. 16., rev. & enlarged ed. Allahabad: Kitab Mahal, 1979.
Cita MLA (9a ed.)Krishna, Bal. Principles of Civics: For Intermediate Classes. 16., rev. & enlarged ed. Kitab Mahal, 1979.
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