Cita APA

Budd, W. C., & Kelly, S. P. (1970). Educational research by practitioners: Elementary case book. Harper & Row.

Citación estilo Chicago

Budd, William C., y Sam P. Kelly. Educational Research by Practitioners: Elementary Case Book. New York: Harper & Row, 1970.

Cita MLA

Budd, William C., y Sam P. Kelly. Educational Research by Practitioners: Elementary Case Book. Harper & Row, 1970.