Cita APA

Casley, D. J., & Lury, D. A. (1984). Data collection in developing countries. ELBS.

Citación estilo Chicago

Casley, Dennis J., and D. A. Lury. Data Collection in Developing Countries. [London]: ELBS, 1984.

Cita MLA

Casley, Dennis J., and D. A. Lury. Data Collection in Developing Countries. ELBS, 1984.