Gaya APA

Johannsen, Kristin. (2008). Hemispheres1 : WorkBook . New York: McGraw-Hill.

Gaya Chicago

Johannsen, Kristin. Hemispheres1 : WorkBook. New York: McGraw-Hill, 2008. Text.

Gaya MLA

Johannsen, Kristin. Hemispheres1 : WorkBook. New York: McGraw-Hill, 2008. Text.

Gaya Turabian

Johannsen, Kristin. Hemispheres1 : WorkBook. New York: McGraw-Hill, 2008. Print.