APA (7th ed.) Zitazioa

(2005). Human Relationships: The Key to Social and Emotional Development / by Leah Shapiro and Julie Spielberger.

Chicago Style (17th ed.) Zitazioa

Human Relationships: The Key to Social and Emotional Development / by Leah Shapiro and Julie Spielberger. 2005.

MLA (9th ed.) Zitazioa

Human Relationships: The Key to Social and Emotional Development / by Leah Shapiro and Julie Spielberger. 2005.

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