Cita APA (7a ed.)

Yerbury, J. C., Dingalo, M., & Mphinyane, O. (1991). Evaluation of the Distance Education Unit, Department of Non-Formal Education. Commonwealth of Learning.

Cita Chicago Style (17a ed.)

Yerbury, J. Colin, Mary Dingalo, y Obonye Mphinyane. Evaluation of the Distance Education Unit, Department of Non-Formal Education. Botswana: Commonwealth of Learning, 1991.

Cita MLA (8a ed.)

Yerbury, J. Colin, et al. Evaluation of the Distance Education Unit, Department of Non-Formal Education. Commonwealth of Learning, 1991.