Dyfyniad APA

(1924). Pedagogical Seminary and Journal of Genetic Psychology. [Clark University].

Dyfyniad Arddull Chicago

Pedagogical Seminary and Journal of Genetic Psychology. Worcester, Mass: [Clark University], 1924.

Dyfyniad MLA

Pedagogical Seminary and Journal of Genetic Psychology. [Clark University], 1924.

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