Dyfyniad APA

Shopware. (2002). Basic pipefitting skills. Shopware.

Dyfyniad Arddull Chicago

Shopware. Basic Pipefitting Skills. Monmouth Junction, NJ: Shopware, 2002.

Dyfyniad MLA

Shopware. Basic Pipefitting Skills. Shopware, 2002.

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