APA ציטוט

David, K., & Williams, T. (1987). Health education in schools (2nd ed.). Harper & Row Pub.

Chicago Style (17th ed.) Citation

David, Kenneth, and Trefor Williams. Health Education in Schools. 2nd ed. London: Harper & Row Pub, 1987.

ציטוט MLA

David, Kenneth, and Trefor Williams. Health Education in Schools. 2nd ed. Harper & Row Pub, 1987.