Khasawneh, F. E., Sample, E. C., & Kamprath, E. J. (1980). The role of phosphorus in agriculture (Primera edición.). American society of agronomy.
Citación estilo ChicagoKhasawneh, F. E., E. C. Sample, and E. J. Kamprath. The Role of Phosphorus in Agriculture. Primera edición. Madison: American society of agronomy, 1980.
Cita MLAKhasawneh, F. E., et al. The Role of Phosphorus in Agriculture. Primera edición. American society of agronomy, 1980.
Warning: These citations may not always be 100% accurate.