Dyfyniad APA

Hughes, R. E., & Milner, C. (1970). Methods for the measurement of the primary production of grassland. Blackwell Scientific Publications.

Dyfyniad Arddull Chicago

Hughes, R Elfyn, and C. Milner. Methods for the Measurement of the Primary Production of Grassland. Oxford: Blackwell Scientific Publications, 1970.

Dyfyniad MLA

Hughes, R Elfyn, and C. Milner. Methods for the Measurement of the Primary Production of Grassland. Blackwell Scientific Publications, 1970.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.