Smits, M. T., Arends, J., & van de Poel, A. (1987). Xylitol and dental caries. [s.n.].
Lua i Stíl Chicago (17ú heag.)Smits, Marten Titus, J. Arends, agus A.C.M van de Poel. Xylitol and Dental Caries. Groningen: [s.n.], 1987.
Lua MLA (8ú heag.)Smits, Marten Titus, et al. Xylitol and Dental Caries. [s.n.], 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.