How twins learn to talk :
a study of the speech development of twins from 1 to 3 /
Svenka Savić ; translated into English by Vladislava Felbabov.

APA Citation

Savić, S. (1980). How twins learn to talk: a study of the speech development of twins from 1 to 3. New York: Academic Press.

MLA Citation

Savić, Svenka. How Twins Learn to Talk: a Study of the Speech Development of Twins From 1 to 3. New York: Academic Press, 1980.

Warning: These citations may not always be complete (especially for serials).