Cita APA

Black, M. (1990). From handpumps to health: The evolution of water and sanitation programmes in Bangladesh, India, and Nigeria. United Nations Children's Fund.

Citación estilo Chicago

Black, Maggie. From Handpumps to Health: The Evolution of Water and Sanitation Programmes in Bangladesh, India, and Nigeria. New York: United Nations Children's Fund, 1990.

Cita MLA

Black, Maggie. From Handpumps to Health: The Evolution of Water and Sanitation Programmes in Bangladesh, India, and Nigeria. United Nations Children's Fund, 1990.