Cita APA (7a ed.)
Phillips, D. (1992). Longman Practice Tests for the TOEFL (6.impressions.). Longman Group UK.
Cita Chicago Style (17a ed.)
Phillips, Deborah. Longman Practice Tests for the TOEFL. 6.impressions. New York: Longman Group UK, 1992.
Cita MLA (9a ed.)
Phillips, Deborah. Longman Practice Tests for the TOEFL. 6.impressions. Longman Group UK, 1992.
Precaución: Estas citas no son 100% exactas.