Cita APA (7th ed.)

Kalpan Publishing. (2009). TOEFL iBT: With CD-ROM. Kaplan Publishing.

Cita Chicago (17th ed.)

Kalpan Publishing. TOEFL IBT: With CD-ROM. New York: Kaplan Publishing, 2009.

Cita MLA (9th ed.)

Kalpan Publishing. TOEFL IBT: With CD-ROM. Kaplan Publishing, 2009.