Cita APA (7th ed.)

(2009). PYP L5 Caring for Our World single (Pearson Baccalaureate PrimaryYears Programme). Heinemann.

Cita Chicago (17th ed.)

PYP L5 Caring for Our World Single (Pearson Baccalaureate PrimaryYears Programme). Heinemann, 2009.

Cita MLA (9th ed.)

PYP L5 Caring for Our World Single (Pearson Baccalaureate PrimaryYears Programme). Heinemann, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.