Dyfyniad APA

Bowlby, J. (1997). A secure base: Clinical applications of attatchment theory. Routledge.

Dyfyniad Arddull Chicago

Bowlby, John. A Secure Base: Clinical Applications of Attatchment Theory. London: Routledge, 1997.

Dyfyniad MLA

Bowlby, John. A Secure Base: Clinical Applications of Attatchment Theory. Routledge, 1997.

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