Cita APA (7th ed.)

Nuttall, G. (2006). College writing 3. Heinle Cengage Learning.

Cita Chicago (17th ed.)

Nuttall, Gabriela. College Writing 3. Boston: Heinle Cengage Learning, 2006.

Cita MLA (9th ed.)

Nuttall, Gabriela. College Writing 3. Heinle Cengage Learning, 2006.