Gaya APA
B.Gupta, R. (2010).
Gasoline,Diesel and ethanol biofuels from grasses and plants (2010).
USA:
London : Cambridge University Press,.
Gaya MLA
B.Gupta, Ram.
"Gasoline,Diesel and ethanol biofuels from grasses and plants".
2010
USA:
London : Cambridge University Press,,
2010.
Text.