Não informado. (1971). Journal of Agricultural Research. Government of the Punjab, Department of Agriculture.
Cita Chicago Style (17a ed.)Não informado. Journal of Agricultural Research. Lahore, Paquistao: Government of the Punjab, Department of Agriculture, 1971.
Cita MLA (8a ed.)Não informado. Journal of Agricultural Research. Government of the Punjab, Department of Agriculture, 1971.
Precaución: Estas citas no son 100% exactas.