Cita APA (7th ed.)

Casley, D. J., & Lury, D. A. (1987). Data collection in developing countries (Second edition.). Clarendon Press.

Cita Chicago (17th ed.)

Casley, Dennis J., i D. A. Lury. Data Collection in Developing Countries. Second edition. Oxford: Clarendon Press, 1987.

Cita MLA (9th ed.)

Casley, Dennis J., i D. A. Lury. Data Collection in Developing Countries. Second edition. Clarendon Press, 1987.