APA aipamena

Giffen, R., Higgs, H., & Yule, G. U. (1913). Statistics. Macmillan and Co..

Chicago Style aipamena

Giffen, Robert, Henry Higgs, and G. Udny Yule. Statistics. London: Macmillan and Co., 1913.

MLA aipamena

Giffen, Robert, et al. Statistics. Macmillan and Co., 1913.

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