APA
Ammon U., . (1992). Status Change of Languages. : Walter de Gruyter.
Chicago
Ammon Ulrich, . 1992. Status Change of Languages. : Walter de Gruyter.
Harvard
Ammon U., . (1992). Status Change of Languages. : Walter de Gruyter.
MLA
Ammon Ulrich, . Status Change of Languages. : Walter de Gruyter. 1992.