Koch, G. (1967). Effect of sodium fluoride in dentifrice and mouthwash on incidence of dental caries in schoolchildren. Gleerup.
Chicago Style aipamenaKoch, Göran. Effect of Sodium Fluoride in Dentifrice and Mouthwash on Incidence of Dental Caries in Schoolchildren. Lund: Gleerup, 1967.
MLA aipamenaKoch, Göran. Effect of Sodium Fluoride in Dentifrice and Mouthwash on Incidence of Dental Caries in Schoolchildren. Gleerup, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.