एपीए उद्धरण

Beena, K. S., & Jayasree, P. K. (2011). Gabion retaining walls. Directorate of public relations and publications, CUSAT.

शिकागो स्टाइल उद्धरण

Beena, K S., और P K. Jayasree. Gabion Retaining Walls. Kochi: Directorate of public relations and publications, CUSAT, 2011.

एमएलए उद्धरण

Beena, K S., और P K. Jayasree. Gabion Retaining Walls. Directorate of public relations and publications, CUSAT, 2011.