Cita APA (7th ed.)

-. (1988). Macmillan english: Thinking and writing processes. Macmillan.

Cita Chicago (17th ed.)

-. Macmillan English: Thinking and Writing Processes. California: Macmillan, 1988.

Cita MLA (9th ed.)

-. Macmillan English: Thinking and Writing Processes. Macmillan, 1988.