Cita APA (7th ed.)

Obeng, L. A. (1987). The co-composting of domestic solid and human wastes. World Bank.

Cita Chicago (17th ed.)

Obeng, Letitia A. The Co-composting of Domestic Solid and Human Wastes. Washington: World Bank, 1987.

Cita MLA (9th ed.)

Obeng, Letitia A. The Co-composting of Domestic Solid and Human Wastes. World Bank, 1987.