एपीए उद्धरण

Varghese, T., & Byju, G. (1993). Laterite Soils: Their distribution Charracteristics, Classification and management. State Committee on Science, Technology and Environment.

शिकागो स्टाइल उद्धरण

Varghese, Thomas, और G. Byju. Laterite Soils: Their Distribution Charracteristics, Classification and Management. Thiruvananthapuram: State Committee on Science, Technology and Environment, 1993.

एमएलए उद्धरण

Varghese, Thomas, और G. Byju. Laterite Soils: Their Distribution Charracteristics, Classification and Management. State Committee on Science, Technology and Environment, 1993.