Patel, k. (1978). Farm-structure and resource-use in draught-prone area Vol II. N.I.B mgt.
Cita Chicago (17th ed.)Patel, k. Farm-structure and Resource-use in Draught-prone Area Vol II. NULL: N.I.B mgt, 1978.
Cita MLA (9th ed.)Patel, k. Farm-structure and Resource-use in Draught-prone Area Vol II. N.I.B mgt, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.