Lua APA (7ú heag.)

(1993). Statistic For Management And Economics Collin J. Watson, Patrick Billingsle, D. James Croft, David V. Huntsberger. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

Statistic For Management And Economics Collin J. Watson, Patrick Billingsle, D. James Croft, David V. Huntsberger. Prentice-Hall, 1993.

Lua MLA (8ú heag.)

Statistic For Management And Economics Collin J. Watson, Patrick Billingsle, D. James Croft, David V. Huntsberger. Prentice-Hall, 1993.

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