Dyfyniad APA

Roy, W., & Elizabeth, P. S. (1987). Designing portable computerized intruments. Tab Books.

Dyfyniad Arddull Chicago

Roy, William, and Penrose Sandra Elizabeth. Designing Portable Computerized Intruments. Tab Books, 1987.

Dyfyniad MLA

Roy, William, and Penrose Sandra Elizabeth. Designing Portable Computerized Intruments. Tab Books, 1987.

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