Dyfyniad APA

Ewan, V., & West, G. (1981). Reproducibility of joint orientation measurements in rock. Transport and Road Research Laboratory.

Dyfyniad Arddull Chicago

Ewan, V.J, and G. West. Reproducibility of Joint Orientation Measurements in Rock. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

Dyfyniad MLA

Ewan, V.J, and G. West. Reproducibility of Joint Orientation Measurements in Rock. Transport and Road Research Laboratory, 1981.

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