Dyfyniad APA

Weimer, J. (1995). Research techniques in human engineering. Prentice Hall.

Dyfyniad Arddull Chicago

Weimer, Jon. Research Techniques in Human Engineering. Englewood Cliffs, NJ: Prentice Hall, 1995.

Dyfyniad MLA

Weimer, Jon. Research Techniques in Human Engineering. Prentice Hall, 1995.

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