APA استشهاد

Hensen, F. (1997). Plastics Extrusion technology (2nd ed.). Hanser.

استشهاد بنمط شيكاغو

Hensen, Friedhelm. Plastics Extrusion Technology. 2nd ed. Munich: Hanser, 1997.

MLA استشهاد

Hensen, Friedhelm. Plastics Extrusion Technology. 2nd ed. Hanser, 1997.