Cameron, S. (2008). Hemispheres 1: Teacher's manual. New York, United States: McGraw-Hill ESL/ELT.
Trích dẫn kiểu ChicagoCameron, Scott. Hemispheres 1: Teacher's Manual. New York, United States: McGraw-Hill ESL/ELT, 2008.
ציטוט MLACameron, Scott. Hemispheres 1: Teacher's Manual. New York, United States: McGraw-Hill ESL/ELT, 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.