Gaya APA

Solórzano, H. et al (2009). Contemporary Topics 1: Academic Listening and Note-Taking Skills (3rd Edition). New York: Pearson Education Inc..

Gaya MLA

Solórzano, Helen. et al. "Contemporary Topics 1: Academic Listening and Note-Taking Skills". 3rd Edition New York: Pearson Education Inc., 2009. Text.