एपीए उद्धरण

Rubber Plantation Department. (1962). Rubber krishi. Rubber Plantation Department.

शिकागो स्टाइल उद्धरण

Rubber Plantation Department. Rubber Krishi. Kerala: Rubber Plantation Department, 1962.

एमएलए उद्धरण

Rubber Plantation Department. Rubber Krishi. Rubber Plantation Department, 1962.