APA (7th ed.) Citation

(1989). Understandig TOEFL study aid (3rd ed.). ETS.

Chicago Style (17th ed.) Citation

Understandig TOEFL Study Aid. 3rd ed. NewYork: ETS, 1989.

MLA (9th ed.) Citation

Understandig TOEFL Study Aid. 3rd ed. ETS, 1989.

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