Gaya APA
Jarvis, Peter J.. (2000).
Ecological principles and environmental issues .
London:
Prentice Hall.
Gaya Chicago
Jarvis, Peter J..
Ecological principles and environmental issues.
London:
Prentice Hall,
2000.
.
Gaya MLA
Jarvis, Peter J..
Ecological principles and environmental issues.
London:
Prentice Hall,
2000.
.
Gaya Turabian
Jarvis, Peter J..
Ecological principles and environmental issues.
London:
Prentice Hall,
2000.
.