GUPTA, S. K. (2020). FUNDAMENTALS OF SOIL AND WATER CONSERVATION ENGINEERING. ASTRAL INTERNATIONAL PVT.
芝加哥风格引文GUPTA, S K. FUNDAMENTALS OF SOIL AND WATER CONSERVATION ENGINEERING. [S.l.]: ASTRAL INTERNATIONAL PVT, 2020.
MLA引文GUPTA, S K. FUNDAMENTALS OF SOIL AND WATER CONSERVATION ENGINEERING. ASTRAL INTERNATIONAL PVT, 2020.
警告：这些引文格式不一定是100％准确.