Josip Harcet; Lorraine Heinrichs; Palmira Mariz Seiler; Marlene Torres Skoumal. (2012). IB Course Companion: Maths Higher: 2nd edition (International Baccalaureate) (Pap/Cdr.). Oxford University Press.
Cita Chicago (17th ed.)Josip Harcet; Lorraine Heinrichs; Palmira Mariz Seiler; Marlene Torres Skoumal. IB Course Companion: Maths Higher: 2nd Edition (International Baccalaureate). Pap/Cdr. Oxford University Press, 2012.
Cita MLA (9th ed.)Josip Harcet; Lorraine Heinrichs; Palmira Mariz Seiler; Marlene Torres Skoumal. IB Course Companion: Maths Higher: 2nd Edition (International Baccalaureate). Pap/Cdr. Oxford University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.