Dyfyniad APA

Butterfield, R., Houlsby, G., & Gottardi, G. (1998). Standardized sign conventions and notation for generally loaded foundations (vol 47, pg 1051, 1997).

Dyfyniad Arddull Chicago

Butterfield, R., G. Houlsby, and G. Gottardi. Standardized Sign Conventions and Notation for Generally Loaded Foundations (vol 47, Pg 1051, 1997). 1998.

Dyfyniad MLA

Butterfield, R., et al. Standardized Sign Conventions and Notation for Generally Loaded Foundations (vol 47, Pg 1051, 1997). 1998.

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