Government of India. (1949). Railway map of India. the director of brigadier surveyor general of India.
Chicagoスタイル(17版)引用形式Government of India. Railway Map of India. India: the director of brigadier surveyor general of India, 1949.
MLA(9版)引用形式Government of India. Railway Map of India. the director of brigadier surveyor general of India, 1949.
警告: この引用は必ずしも正確ではありません.