APA-viite (7. p.)

Watt, K. E. F. (1973). Principles of environmental science. McGraw-Hill.

Chicago-viite (17. p.)

Watt, Kenneth E. F. Principles of Environmental Science. New Yorl: McGraw-Hill, 1973.

MLA-viite (9. p.)

Watt, Kenneth E. F. Principles of Environmental Science. McGraw-Hill, 1973.