APA (7e ed.) Bronvermelding

David, H. P. (1966). International trends in mental health. McGraw-Hill Book Co.

Chicago (17e ed.) Bronvermelding

David, Henry P. International Trends in Mental Health. New York: McGraw-Hill Book Co, 1966.

MLA (9e ed.) Bronvermelding

David, Henry P. International Trends in Mental Health. McGraw-Hill Book Co, 1966.