Beertsen, W. (1977). Tissue dynamics in the periodontal ligament of the rodent incisor. Kaal's printing House.
Chicago-viite (17. p.)Beertsen, Wouter. Tissue Dynamics in the Periodontal Ligament of the Rodent Incisor. [Amsterdam]: Kaal's printing House, 1977.
MLA-viite (8. p.)Beertsen, Wouter. Tissue Dynamics in the Periodontal Ligament of the Rodent Incisor. Kaal's printing House, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.