Smits, M. T., Arends, J., & van de Poel, A. (1987). Xylitol and dental caries. [s.n.].
Chicagoスタイル(17版)引用形式Smits, Marten Titus, J. Arends, , A.C.M van de Poel. Xylitol and Dental Caries. Groningen: [s.n.], 1987.
MLA(8版)引用形式Smits, Marten Titus, et al. Xylitol and Dental Caries. [s.n.], 1987.
警告: この引用は必ずしも正確ではありません.