Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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