Wilson, E. B. (1952). An introduction to scientific research. Mc.Graw Hill.
Chicago Style (17th ed.) ZitazioaWilson, E. Bright. An Introduction to Scientific Research. New York: Mc.Graw Hill, 1952.
MLA (9th ed.) ZitazioaWilson, E. Bright. An Introduction to Scientific Research. Mc.Graw Hill, 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.