APA

Garst T. E., . (1971). The written word. México: McGraw-Hill.

Chicago

Garst Thomas Edward, . 1971. The written word. México: McGraw-Hill.

Harvard

Garst T. E., . (1971). The written word. México: McGraw-Hill.

MLA

Garst Thomas Edward, . The written word. México: McGraw-Hill. 1971.