Isokangas, P. (1987). Xylitol chewing gum in caries prevention: A longitudinal study on Finnish school children. [s.n.].
Chicago-Zitierstil (17. Ausg.)Isokangas, Pauli. Xylitol Chewing Gum in Caries Prevention: A Longitudinal Study on Finnish School Children. Turku: [s.n.], 1987.
MLA-Zitierstil (8. Ausg.)Isokangas, Pauli. Xylitol Chewing Gum in Caries Prevention: A Longitudinal Study on Finnish School Children. [s.n.], 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.