Zarna, B., & Barbara Zarna. (1997). The: Your guide to success. Chicago: Irwin Mirror Press.
Dyfyniad Arddull ChicagoZarna, Barbara, và Barbara Zarna. The: Your Guide to Success. Chicago: Irwin Mirror Press, 1997.
Dyfyniad MLAZarna, Barbara, và Barbara Zarna. The: Your Guide to Success. Chicago: Irwin Mirror Press, 1997.
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