Basak,N.N. (2017). Surveying & Levelling (2.). Mc Graw Hill Education.
Cita Chicago (17th ed.)Basak,N.N. Surveying & Levelling. 2. Chennai: Mc Graw Hill Education, 2017.
Cita MLA (9th ed.)Basak,N.N. Surveying & Levelling. 2. Mc Graw Hill Education, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.