APA-viite (7. p.)

Williams, P. J. (1992). Women, trees, and forests in Africa: A resource guide. Environment Liaison Centre International.

Chicago-viite (17. p.)

Williams, Paula J. Women, Trees, and Forests in Africa: A Resource Guide. Nairobi, Kenya: Environment Liaison Centre International, 1992.

MLA-viite (9. p.)

Williams, Paula J. Women, Trees, and Forests in Africa: A Resource Guide. Environment Liaison Centre International, 1992.