APA
Mikkonen S., Niemi A., Rantanen L., Neste Oil, World Petroleum Congress (14th : 1994 : Stavanger), Niemi A., Rantanen L. & Neste Oil.Citydiesel, an option in the 1990s. : .
Chicago
Mikkonen S.A, Niemi A.P, Rantanen L.M, Neste Oil, World Petroleum Congress (14th : 1994 : Stavanger), Niemi A.P, Rantanen L.M and Neste Oil.Citydiesel, an option in the 1990s. : .
Harvard
Mikkonen S., Niemi A., Rantanen L., Neste Oil, World Petroleum Congress (14th : 1994 : Stavanger), Niemi A., Rantanen L. and Neste Oil.Citydiesel, an option in the 1990s. : .
MLA
Mikkonen S.A, Niemi A.P, Rantanen L.M, Neste Oil, World Petroleum Congress (14th : 1994 : Stavanger), Niemi A.P, Rantanen L.M and Neste Oil.: . .