Cita APA (7a ed.)

(1991). Eastern hemisphere. Macmillan/McGraw Hill School Pub. Co..

Cita Chicago Style (17a ed.)

Eastern Hemisphere. New York: Macmillan/McGraw Hill School Pub. Co., 1991.

Cita MLA (8a ed.)

Eastern Hemisphere. Macmillan/McGraw Hill School Pub. Co., 1991.