Dyfyniad APA

Martin, M., & Jones, G. (1999). Handedness and season of birth: A gender-invariant relation.

Dyfyniad Arddull Chicago

Martin, M., and G. Jones. Handedness and Season of Birth: A Gender-invariant Relation. 1999.

Dyfyniad MLA

Martin, M., and G. Jones. Handedness and Season of Birth: A Gender-invariant Relation. 1999.

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