APA

Berger E. W., Berger D., . (1982). New German self taught : the quick practical way to reading, writing, speaking, understanding. New York: Barnes & Noble.

Chicago

Berger Erich W, Berger Dorothea, . 1982. New German self taught : the quick practical way to reading, writing, speaking, understanding. New York: Barnes & Noble.

Harvard

Berger E. W., Berger D., . (1982). New German self taught : the quick practical way to reading, writing, speaking, understanding. New York: Barnes & Noble.

MLA

Berger Erich W, Berger Dorothea, . New German self taught : the quick practical way to reading, writing, speaking, understanding. New York: Barnes & Noble. 1982.