Dyfyniad APA

Johnson, P. O. (1949). Statistical methods in research. New Jersey: Prentice-Hall.

Dyfyniad Arddull Chicago

Johnson, Palmer O. Statistical Methods in Research. New Jersey: Prentice-Hall, 1949.

Dyfyniad MLA

Johnson, Palmer O. Statistical Methods in Research. New Jersey: Prentice-Hall, 1949.

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