.Metzelaar, L. C., .Fox, M. B., & .Metzelaar, L. C. (1991). Hands-on dBase IV. Benjamin/Cummings Pub. Co..
Chicagoスタイル(17版)引用形式.Metzelaar, Lawrence C., Marianne B. .Fox, , Lawrence C. .Metzelaar. Hands-on DBase IV. Redwood City, Calif.: Benjamin/Cummings Pub. Co., 1991.
MLA(9版)引用形式.Metzelaar, Lawrence C., et al. Hands-on DBase IV. Benjamin/Cummings Pub. Co., 1991.
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