Dyfyniad APA

Longley- Cook L H. (1970). Statistical problems and how to solve them. Barnes and Noble.

Dyfyniad Arddull Chicago

Longley- Cook L H. Statistical Problems and How to Solve Them. NewYork: Barnes and Noble, 1970.

Dyfyniad MLA

Longley- Cook L H. Statistical Problems and How to Solve Them. Barnes and Noble, 1970.

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