Cita APA

(2000). Earth and its resources. New York: Macmillan/Mcgraw-Hill School.

Chicago Style Citation

Earth and Its Resources. New York: Macmillan/Mcgraw-Hill School, 2000.

Cita MLA

Earth and Its Resources. New York: Macmillan/Mcgraw-Hill School, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.