Dyfyniad APA

Screen, P. (1987). Warwick process science: Section two. Ashford Press.

Dyfyniad Arddull Chicago

Screen, Peter. Warwick Process Science: Section Two. Southampton: Ashford Press, 1987.

Dyfyniad MLA

Screen, Peter. Warwick Process Science: Section Two. Ashford Press, 1987.

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