Gaya APA

Gilbert, T, L, R, B. (2011). Listening Power 3 Language Focus. Comprebension Focus. Note Taking-Skills. Listening for pleasure . United States: United States: Pearson Longman.

Gaya MLA

Gilbert, Tammy, LeRoi., Rogers,, Bruce. "Listening Power 3 Language Focus. Comprebension Focus. Note Taking-Skills. Listening for pleasure". United States: United States: Pearson Longman, 2011. Text.