APA (7e ed.) Bronvermelding

Pearson, C. J., & Ison, R. L. (1987). Agronomy of grassland systems. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Pearson, C. J., en R. L. Ison. Agronomy of Grassland Systems. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1987.

MLA (9e ed.) Bronvermelding

Pearson, C. J., en R. L. Ison. Agronomy of Grassland Systems. Cambridge University Press, 1987.