Bird, A. (1998). Philosophy of science. UCL Pr.
Chicago Style (17th ed.) ZitazioaBird, Alexander. Philosophy of Science. London: UCL Pr, 1998.
MLA (9th ed.) ZitazioaBird, Alexander. Philosophy of Science. UCL Pr, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.