APA استشهاد

Pillai, P. (1994). Kerala economy four decades of development. Institute of planning and applied economic research.

استشهاد بنمط شيكاغو

Pillai, P.P. Kerala Economy Four Decades of Development. Thrissur: Institute of planning and applied economic research, 1994.

MLA استشهاد

Pillai, P.P. Kerala Economy Four Decades of Development. Institute of planning and applied economic research, 1994.