Duggal, S. (2016). Surveying Vol.2 (4.). Mc Graw Hill Education.
Chicagoスタイル(17版)引用形式Duggal, S.K. Surveying Vol.2. 4. chennai: Mc Graw Hill Education, 2016.
MLA(9版)引用形式Duggal, S.K. Surveying Vol.2. 4. Mc Graw Hill Education, 2016.
警告: この引用は必ずしも正確ではありません.