Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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