Citazione APA

Casley, D. J., & Lury, D. A. (1981). Data collection in developing countries. Oxford University Press.

Stile di citazione Chicago

Casley, D. J., e D. A. Lury. Data Collection in Developing Countries. London: Oxford University Press, 1981.

Citazione MLA

Casley, D. J., e D. A. Lury. Data Collection in Developing Countries. Oxford University Press, 1981.