Παραπομπή APA

John, K. (2004). Crop Rotation in Kerala: A case study of Kaduthuruthy Block. Centre for Development Studies-DP94.

Παραπομπή Chicago Style

John, KK. Crop Rotation in Kerala: A Case Study of Kaduthuruthy Block. Centre for Development Studies-DP94, 2004.

Παραπομπή MLA

John, KK. Crop Rotation in Kerala: A Case Study of Kaduthuruthy Block. Centre for Development Studies-DP94, 2004.