PHELPS, C. F. (1972). Polysacharides. London: Oxford University.
Chicago Style aipamenaPHELPS, C. F. Polysacharides. London: Oxford University, 1972.
MLA aipamenaPHELPS, C. F. Polysacharides. London: Oxford University, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.