Dyfyniad APA

Barkley, N. (1995). The Crystal - Barkley guide to taking charge of your Career. Workman.

Dyfyniad Arddull Chicago

Barkley, Nella. The Crystal - Barkley Guide to Taking Charge of Your Career. New york: Workman, 1995.

Dyfyniad MLA

Barkley, Nella. The Crystal - Barkley Guide to Taking Charge of Your Career. Workman, 1995.

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