Groesbeck, J. (1883). Crittenden commercial arithmetic and business manual: Designed for use in counting-houses, academies, and commercial colleges (Revised ed.). Eldredge & Brother.
Citace podle Chicago (17th ed.)Groesbeck, John. Crittenden Commercial Arithmetic and Business Manual: Designed for Use in Counting-houses, Academies, and Commercial Colleges. Revised ed. Philadelphia: Eldredge & Brother, 1883.
Citace podle MLA (8th ed.)Groesbeck, John. Crittenden Commercial Arithmetic and Business Manual: Designed for Use in Counting-houses, Academies, and Commercial Colleges. Revised ed. Eldredge & Brother, 1883.
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