Isokangas, P. (1987). Xylitol chewing gum in caries prevention: A longitudinal study on Finnish school children. [s.n.].
Chicagoスタイル(17版)引用形式Isokangas, Pauli. Xylitol Chewing Gum in Caries Prevention: A Longitudinal Study on Finnish School Children. Turku: [s.n.], 1987.
MLA(8版)引用形式Isokangas, Pauli. Xylitol Chewing Gum in Caries Prevention: A Longitudinal Study on Finnish School Children. [s.n.], 1987.
警告: この引用は必ずしも正確ではありません.