Williams, D. H. S. (1992). The literature of science. Anmol Pub.
Chicago Style (17th ed.) ZitazioaWilliams, Dr. Henry Smith. The Literature of Science. New Delhi: Anmol Pub, 1992.
MLA (9th ed.) ZitazioaWilliams, Dr. Henry Smith. The Literature of Science. Anmol Pub, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.