Cita APA

Whitehead, D. C. (1970). The role of nitrogen in grassland productivity: A review of information from temperate regions. Commonwealth Agricultural Bureaux.

Citación estilo Chicago

Whitehead, D. C. The Role of Nitrogen in Grassland Productivity: A Review of Information From Temperate Regions. Farnham Royal: Commonwealth Agricultural Bureaux, 1970.

Cita MLA

Whitehead, D. C. The Role of Nitrogen in Grassland Productivity: A Review of Information From Temperate Regions. Farnham Royal: Commonwealth Agricultural Bureaux, 1970.