Gaya APA
Producer Gas : Another Fuel for Motor Transport. (1983).
Washington D.C:
National Academy Press.
Gaya Chicago
Producer Gas : Another Fuel for Motor Transport.
.
Washington D.C:
National Academy Press,
1983.
.
Gaya MLA
Producer Gas : Another Fuel for Motor Transport.
.
Washington D.C:
National Academy Press,
1983.
.
Gaya Turabian
Producer Gas : Another Fuel for Motor Transport.
Washington D.C:
National Academy Press,
1983.
.