Gaya APA
Allaby, Michael. (2002).
Basics of environmental science (2nd ed).
London:
Routledge.
Gaya Chicago
Allaby, Michael.
Basics of environmental science.
2nd ed
London:
Routledge,
2002.
Text.
Gaya MLA
Allaby, Michael.
Basics of environmental science.
2nd ed
London:
Routledge,
2002.
Text.
Gaya Turabian
Allaby, Michael.
Basics of environmental science.
2nd ed
London:
Routledge,
2002.
Print.