Cita APA

Whitehead, D. G. (1970). The role of nitrogen in Grassland Productivity: A review of information from temperate regions. Inglaterra: Commonwealth Agricultural Bureaux.

Citación estilo Chicago

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

Cita MLA

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