Cita APA (7th ed.)
Carattoli, M. C. (2003). Nature & environment: Student's book : plus activities level two. Santillana.
Cita Chicago (17th ed.)
Carattoli, María Cecilia. Nature & Environment: Student's Book : Plus Activities Level Two. Buenos Aires: Santillana, 2003.
Cita MLA (9th ed.)
Carattoli, María Cecilia. Nature & Environment: Student's Book : Plus Activities Level Two. Santillana, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.