APA

nobel b., cole g., . (1982). linguistics for billinguals. london: newbury publishers.

Chicago

nobel barryl, cole gwen, . 1982. linguistics for billinguals. london: newbury publishers.

Harvard

nobel b., cole g., . (1982). linguistics for billinguals. london: newbury publishers.

MLA

nobel barryl, cole gwen, . linguistics for billinguals. london: newbury publishers. 1982.