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.
芝加哥风格引文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.
MLA引文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.
警告：这些引文格式不一定是100％准确.