Gaya APA
La Grega, Michael D. (2010).
Hazardous waste management .
Amerika:
Wavland Press.
Gaya Chicago
La Grega, Michael D.
Hazardous waste management.
Amerika:
Wavland Press,
2010.
Buku.
Gaya MLA
La Grega, Michael D.
Hazardous waste management.
Amerika:
Wavland Press,
2010.
Buku.
Gaya Turabian
La Grega, Michael D.
Hazardous waste management.
Amerika:
Wavland Press,
2010.
Buku.