Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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