Singh Sheelwant. Vigyan Aur Pradyogiki ka Vikas (Hindi) Civil services main Examination (5th.). Mc Grow Hill Education (India).
Style de citation Chicago (17e éd.)Singh Sheelwant. Vigyan Aur Pradyogiki Ka Vikas (Hindi) Civil Services Main Examination. 5th. New Delhi: Mc Grow Hill Education (India).
Style de citation MLA (9e éd.)Singh Sheelwant. Vigyan Aur Pradyogiki Ka Vikas (Hindi) Civil Services Main Examination. 5th. Mc Grow Hill Education (India).
Attention : ces citations peuvent ne pas être correctes à 100%.