Cita APA (7th ed.)

Jarvis, P. J. (2000). Ecological principles and environmental issues. Prentice-Hall.

Cita Chicago (17th ed.)

Jarvis, Peter J. Ecological Principles and Environmental Issues. Harlow, Eng: Prentice-Hall, 2000.

Cita MLA (9th ed.)

Jarvis, Peter J. Ecological Principles and Environmental Issues. Prentice-Hall, 2000.