APA-viite (7. p.)

Elferink, S. J. W. H. O. (1998). Sulfate-reducing bacteria in Anaerobic bioreactors. s.n..

Chicago-viite (17. p.)

Elferink, Stefanie J. W. H. Oude. Sulfate-reducing Bacteria in Anaerobic Bioreactors. [Wageningen: s.n., 1998.

MLA-viite (8. p.)

Elferink, Stefanie J. W. H. Oude. Sulfate-reducing Bacteria in Anaerobic Bioreactors. s.n., 1998.