APA

Hartmann P., . (1999). Quest: Reading and writing in the academic word 3. Estados Unidos: McGraw-Hill.

Chicago

Hartmann Pamela, . 1999. Quest: Reading and writing in the academic word 3. Estados Unidos: McGraw-Hill.

Harvard

Hartmann P., . (1999). Quest: Reading and writing in the academic word 3. Estados Unidos: McGraw-Hill.

MLA

Hartmann Pamela, . Quest: Reading and writing in the academic word 3. Estados Unidos: McGraw-Hill. 1999.