Singh, P. (1995). Holistic approach to sustainable development. M.D. Publication PVT.
Chicagoスタイル(17版)引用形式Singh, Pramod. Holistic Approach to Sustainable Development. New Delhi: M.D. Publication PVT, 1995.
MLA(9版)引用形式Singh, Pramod. Holistic Approach to Sustainable Development. M.D. Publication PVT, 1995.
警告: この引用は必ずしも正確ではありません.