एपीए उद्धरण

Biju Longhinos. (2009). Geology and Geochronology of silica sands of coastal plains of Thiruvananthapuram district,Kerala, India: With special reference to late quaternary environment.

शिकागो स्टाइल उद्धरण

Biju Longhinos. Geology and Geochronology of Silica Sands of Coastal Plains of Thiruvananthapuram District,Kerala, India: With Special Reference to Late Quaternary Environment. CUSAT ,Kochi, 2009.

एमएलए उद्धरण

Biju Longhinos. Geology and Geochronology of Silica Sands of Coastal Plains of Thiruvananthapuram District,Kerala, India: With Special Reference to Late Quaternary Environment. 2009.