Peter Blythe; Paul Urban; David M. Martin. (2005). Mathematics HL Options for International Baccalaureate. Haese & Harris Publications.
Chicago Style aipamenaPeter Blythe; Paul Urban; David M. Martin. Mathematics HL Options for International Baccalaureate. Haese & Harris Publications, 2005.
MLA aipamenaPeter Blythe; Paul Urban; David M. Martin. Mathematics HL Options for International Baccalaureate. Haese & Harris Publications, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.