Polkinghorne, J. C. (1985). The Quantum World. Princeton University Press. hlm. 67. ISBN0691023883. Diarsipkan dari versi asli tanggal 2015-05-19. Diakses tanggal 2021-12-15.
Maxwell, Nicholas (1 January 1993). "Induction and Scientific Realism: Einstein versus van Fraassen Part Three: Einstein, Aim-Oriented Empiricism and the Discovery of Special and General Relativity". The British Journal for the Philosophy of Science. 44 (2): 275–305. doi:10.1093/bjps/44.2.275. JSTOR687649 – via JSTOR.
Maxwell, Nicholas (1 January 1993). "Induction and Scientific Realism: Einstein versus van Fraassen Part Three: Einstein, Aim-Oriented Empiricism and the Discovery of Special and General Relativity". The British Journal for the Philosophy of Science. 44 (2): 275–305. doi:10.1093/bjps/44.2.275. JSTOR687649 – via JSTOR.
Polkinghorne, J. C. (1985). The Quantum World. Princeton University Press. hlm. 67. ISBN0691023883. Diarsipkan dari versi asli tanggal 2015-05-19. Diakses tanggal 2021-12-15.