Dyfyniad APA

268875 Gormly, A. V. (1997). Lifespan human development. Fort Worth : Harcourt Brace College Pub..

Dyfyniad Arddull Chicago

268875 Gormly, Anne V. Lifespan Human Development. Fort Worth : Harcourt Brace College Pub., 1997.

Dyfyniad MLA

268875 Gormly, Anne V. Lifespan Human Development. Fort Worth : Harcourt Brace College Pub., 1997.

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