Παραπομπή APA

State Planning Board. (1987). Annual Plan Proposals 1988 - 89. Govt. of Kerala.

Παραπομπή Chicago Style

State Planning Board. Annual Plan Proposals 1988 - 89. Trivandrum: Govt. of Kerala, 1987.

Παραπομπή MLA

State Planning Board. Annual Plan Proposals 1988 - 89. Govt. of Kerala, 1987.