Dyfyniad APA

Th Ocker. (1999). Hydraulics (Thủy lực học). Denkendorf: Festo Didactic.

Dyfyniad Arddull Chicago

Th Ocker. Hydraulics (Thủy Lực Học). Denkendorf: Festo Didactic, 1999.

Dyfyniad MLA

Th Ocker. Hydraulics (Thủy Lực Học). Denkendorf: Festo Didactic, 1999.

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