Lua APA (7ú heag.)

RANGWALA,S.C. (1980). WATER SUPPLY & SANITORY ENGINREEING. EAST-WEST PRESS PVT LTD.

Lua i Stíl Chicago (17ú heag.)

RANGWALA,S.C. WATER SUPPLY & SANITORY ENGINREEING. ANAND: EAST-WEST PRESS PVT LTD, 1980.

Lua MLA (9ú heag.)

RANGWALA,S.C. WATER SUPPLY & SANITORY ENGINREEING. EAST-WEST PRESS PVT LTD, 1980.

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