APA-viite (7. p.)

(2013). Oral health surveys: Basic methods (Fifth edition.). World Health Organization.

Chicago-viite (17. p.)

Oral Health Surveys: Basic Methods. Fifth edition. Geneva, Switzerland: World Health Organization, 2013.

MLA-viite (9. p.)

Oral Health Surveys: Basic Methods. Fifth edition. World Health Organization, 2013.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.