Berg, J. M. (1970). The De Lange syndrome: By J. M. Berg [et al (1st ed.].). Pergamon Press.
Cita Chicago (17th ed.)Berg, J. M. The De Lange Syndrome: By J. M. Berg [et Al. 1st ed.]. Oxford, New York: Pergamon Press, 1970.
Cita MLA (8th ed.)Berg, J. M. The De Lange Syndrome: By J. M. Berg [et Al. 1st ed.]. Pergamon Press, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.