Dyfyniad APA

Gelberg, B., & Pekelis, G. (1969). Maintenacne of industrial equipment tr by A Triotsky.

Dyfyniad Arddull Chicago

Gelberg, B., and G. Pekelis. Maintenacne of Industrial Equipment Tr by A Triotsky. 1969.

Dyfyniad MLA

Gelberg, B., and G. Pekelis. Maintenacne of Industrial Equipment Tr by A Triotsky. 1969.

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