APA aipamena

Cowden, D. (1963). Practical Problems in business statistics (2nd.). Prentia hall.

Chicago Style aipamena

Cowden, Dudley. Practical Problems in Business Statistics. 2nd. Glewood cliffs: Prentia hall, 1963.

MLA aipamena

Cowden, Dudley. Practical Problems in Business Statistics. 2nd. Prentia hall, 1963.

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