APA (7. basım) Alıntı

COnyango & Tolba Mostafa. (1992). The World environment 1972-1992: Two decades of challenge. Chapman & Hall.

Chicago Style (17. basım) Atıf

COnyango ve Tolba Mostafa. The World Environment 1972-1992: Two Decades of Challenge. London: Chapman & Hall, 1992.

MLA (9th ed.) Atıf

COnyango ve Tolba Mostafa. The World Environment 1972-1992: Two Decades of Challenge. Chapman & Hall, 1992.