Cita APA (7th ed.)
Rogers, B. The Complete Guide to the TOEFL Test IBT Edition. Heinle.
Cita Chicago (17th ed.)
Rogers, Bruce. The Complete Guide to the TOEFL Test IBT Edition. Boston, EUA: Heinle.
Cita MLA (9th ed.)
Rogers, Bruce. The Complete Guide to the TOEFL Test IBT Edition. Heinle.
Atenció: Aquestes cites poden no estar 100% correctes.