APA-viite

Crissien Escordia, J. (1979). Effect of sources and dosis of phosphorus on the production of maize [Zea mays] and bean (Phaseolus vulgaris) crop system with two methods of tillage.

Chicago-tyylinen lähdeviittaus

Crissien Escordia, J. Effect of Sources and Dosis of Phosphorus On the Production of Maize [Zea Mays] and Bean (Phaseolus Vulgaris) Crop System With Two Methods of Tillage. 1979.

MLA-viite

Crissien Escordia, J. Effect of Sources and Dosis of Phosphorus On the Production of Maize [Zea Mays] and Bean (Phaseolus Vulgaris) Crop System With Two Methods of Tillage. 1979.

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