APA引文

Solórzano, H. S., & Helen S Solórzano; Jennifer Schmidt. (2015). Northstar: Listening and speaking. White Plains, NY: Pearson Education.

Trích dẫn kiểu Chicago

Solórzano, Helen Sophia, và Helen S Solórzano; Jennifer Schmidt. Northstar: Listening and Speaking. White Plains, NY: Pearson Education, 2015.

MLA引文

Solórzano, Helen Sophia, và Helen S Solórzano; Jennifer Schmidt. Northstar: Listening and Speaking. White Plains, NY: Pearson Education, 2015.

警告：這些引文格式不一定是100％准確.