Dyfyniad APA

Roff, H., & Watson, T. (1961). Job analysis. Institute of personnel management.

Dyfyniad Arddull Chicago

Roff, H.E, and T.E Watson. Job Analysis. London: Institute of personnel management, 1961.

Dyfyniad MLA

Roff, H.E, and T.E Watson. Job Analysis. Institute of personnel management, 1961.

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