Lua APA (7ú heag.)

KESAVULU CHENNA N. (2014). TEXT BOOK OF ENGINEERING GEOLOGY. TRINITY.

Lua i Stíl Chicago (17ú heag.)

KESAVULU CHENNA N. TEXT BOOK OF ENGINEERING GEOLOGY. NEW DELHI: TRINITY, 2014.

Lua MLA (9ú heag.)

KESAVULU CHENNA N. TEXT BOOK OF ENGINEERING GEOLOGY. TRINITY, 2014.

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