State Planning Board. (1986). Annual Plan Proposals 1987 - 88. Govt. of Kerala.
Chicago-stil citatState Planning Board. Annual Plan Proposals 1987 - 88. Trivandrum: Govt. of Kerala, 1986.
MLA-referensState Planning Board. Annual Plan Proposals 1987 - 88. Govt. of Kerala, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.