APA
World Health Organization, . (1960). Prevalence and geographical distribution of endemic goitre. World Health Oraganization, Geneva: .
Chicago
World Health Organization, . 1960. Prevalence and geographical distribution of endemic goitre. World Health Oraganization, Geneva: .
Harvard
World Health Organization, . (1960). Prevalence and geographical distribution of endemic goitre. World Health Oraganization, Geneva: .
MLA
World Health Organization, . Prevalence and geographical distribution of endemic goitre. World Health Oraganization, Geneva: . 1960.