Gaya APA

(Pengarang), S, P. (2009). Northstar 5 : Listening and Speaking (3 ed.). New York :: PEARSON EDUCATION,.

Gaya MLA

(Pengarang), Sherry, Preiss. "Northstar 5 : Listening and Speaking". 3 ed. New York :: PEARSON EDUCATION,, 2009. Monograf.