Dyfyniad APA

Orr, D. B. (1995). Fundamentals of applied statistics and surveys. Chapman and Hall.

Dyfyniad Arddull Chicago

Orr, David B. Fundamentals of Applied Statistics and Surveys. New York: Chapman and Hall, 1995.

Dyfyniad MLA

Orr, David B. Fundamentals of Applied Statistics and Surveys. Chapman and Hall, 1995.

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