APA

Ahmad Y., El Serafy S. & Lutz E. (1992). Environmental accounting for sustainable development. Washington, D.C: The World Bank.

Chicago

Ahmad Yusuf, El Serafy Salah and Lutz Ernst. 1992. Environmental accounting for sustainable development. Washington, D.C: The World Bank.

Harvard

Ahmad Y., El Serafy S. and Lutz E. (1992). Environmental accounting for sustainable development. Washington, D.C: The World Bank.

MLA

Ahmad Yusuf, El Serafy Salah and Lutz Ernst. Environmental accounting for sustainable development. Washington, D.C: The World Bank. 1992.