Hughes, R. E., & Milner, C. (1970). Methods for the measurement of the primary production of grassland. Blackwell Scientific Publications.
Chicago-čujuhus (17. p.)Hughes, R Elfyn, juo C. Milner. Methods for the Measurement of the Primary Production of Grassland. Oxford: Blackwell Scientific Publications, 1970.
MLA-čujuhus (9. p.)Hughes, R Elfyn, juo C. Milner. Methods for the Measurement of the Primary Production of Grassland. Blackwell Scientific Publications, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.