APA-referens (7:e uppl.)
Singh, B. (2018). GATE 2019: Civil engineering previous solved papers (11th ed.). MADE EASY PUB.
Chicago-referens (17:e uppl.)
Singh, B. GATE 2019: Civil Engineering Previous Solved Papers. 11th ed. New Delhi: MADE EASY PUB, 2018.
MLA-referens (9:e uppl.)
Singh, B. GATE 2019: Civil Engineering Previous Solved Papers. 11th ed. MADE EASY PUB, 2018.
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