Cita APA

Brown, J. I. (1980). Programmed vocabulary; the CPD approach (3a ed.). Englewood Cliffs,New Jersey: Prentice-Hall.

Citación estilo Chicago

Brown, James Isaac. Programmed Vocabulary; the CPD Approach. 3a ed. Englewood Cliffs,New Jersey: Prentice-Hall, 1980.

Cita MLA

Brown, James Isaac. Programmed Vocabulary; the CPD Approach. 3a ed. Englewood Cliffs,New Jersey: Prentice-Hall, 1980.