Gaya APA

Dunkel, P, A., Pialorsi, F. (2014). Listening and Notetaking Skills 3: Anvanced Listening Comprehension (4th. Ed). Boston: National Geographic Learning.

Gaya MLA

Dunkel, Patricia, A.., Pialorsi, Frank.. "Listening and Notetaking Skills 3: Anvanced Listening Comprehension". 4th. Ed Boston: National Geographic Learning, 2014. Text.