Dyfyniad APA

Tufte, E. R. (1974). Data analysis for politics and policy. Prentice-Hall.

Dyfyniad Arddull Chicago

Tufte, Edward R. Data Analysis for Politics and Policy. Englewood Cliffs: Prentice-Hall, 1974.

Dyfyniad MLA

Tufte, Edward R. Data Analysis for Politics and Policy. Prentice-Hall, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.