Cita APA (7th ed.)

(2006). Prentice Hall science explorer. Learning Solutions, Prentice Hall.

Cita Chicago (17th ed.)

Prentice Hall Science Explorer. New York : Boston: Learning Solutions, Prentice Hall, 2006.

Cita MLA (8th ed.)

Prentice Hall Science Explorer. Learning Solutions, Prentice Hall, 2006.