APA引文

Astuti, S. I. (2009). Simple step to toefl. Hi-fest Publishing.

Chicago Style (17th ed.) Citation

Astuti, Santi Indra. Simple Step to Toefl. Hi-fest Publishing, 2009.

MLA引文

Astuti, Santi Indra. Simple Step to Toefl. Hi-fest Publishing, 2009.

警告：这些引文格式不一定是100％准确.