Gaya APA
Goel, R, K. et al (2012).
UNDERGROUND INFRASTRUCTURE : Planning, Design, and Construction (1st ed.).
Amsterdam:
Elsevier.
Gaya MLA
Goel, R., K.. et al.
"UNDERGROUND INFRASTRUCTURE : Planning, Design, and Construction".
1st ed.
Amsterdam:
Elsevier,
2012.
Text.