APA (7th ed.) Zitazioa
Ridgway, R., House, S. H., Findeisen, B., & Crawford, M. A. (2006). The unborn child: Beginning a whole life and overcoming problems of early origin ([2006 ed.].). Karnac.
Chicago Style (17th ed.) Zitazioa
Ridgway, Roy, Simon H. House, Barbara Findeisen, eta Michael A. Crawford. The Unborn Child: Beginning a Whole Life and Overcoming Problems of Early Origin. [2006 ed.]. London ; New York: Karnac, 2006.
MLA (9th ed.) Zitazioa
Ridgway, Roy, et al. The Unborn Child: Beginning a Whole Life and Overcoming Problems of Early Origin. [2006 ed.]. Karnac, 2006.
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