Gaya APA
Hill, Marquita K. (2010).
Understanding environmental Pollution .
Amerika:
Cambridge University Press.
Gaya Chicago
Hill, Marquita K.
Understanding environmental Pollution.
Amerika:
Cambridge University Press,
2010.
Buku.
Gaya MLA
Hill, Marquita K.
Understanding environmental Pollution.
Amerika:
Cambridge University Press,
2010.
Buku.
Gaya Turabian
Hill, Marquita K.
Understanding environmental Pollution.
Amerika:
Cambridge University Press,
2010.
Buku.