APA-viite (7. p.)

Hill, M. K. (1997). Understanding environmental pollution. Univ. Pr.

Chicago-viite (17. p.)

Hill, Marquita K. Understanding Environmental Pollution. Cambridge: Univ. Pr, 1997.

MLA-viite (9. p.)

Hill, Marquita K. Understanding Environmental Pollution. Univ. Pr, 1997.