Duggal, S. (2016). Surveying Vol.2 (4.). Mc Graw Hill Education.
Citación estilo ChicagoDuggal, S.K. Surveying Vol.2. 4. chennai: Mc Graw Hill Education, 2016.
Cita MLADuggal, S.K. Surveying Vol.2. 4. Mc Graw Hill Education, 2016.
Warning: These citations may not always be 100% accurate.