Sullivan, P. N., Brenner, G. A., & Zhong, G. Y. Q. (2000). Prepare for the TOEFL test =: Test of English as a foreign language. Aswani Goyal.
Παραπομπή Chicago StyleSullivan, Patricia Noble, Gail Abel Brenner, και Grace Yi Qiu Zhong. Prepare for the TOEFL Test =: Test of English as a Foreign Language. Delhi: Aswani Goyal, 2000.
Παραπομπή MLASullivan, Patricia Noble, et al. Prepare for the TOEFL Test =: Test of English as a Foreign Language. Aswani Goyal, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.