Eringa, P. (1960). Art of science and the theoretical way: Preliminaries to universal scientific study. Leiden ; Boston: Brill.
استشهاد بنمط شيكاغوEringa, Pier. Art of Science and the Theoretical Way: Preliminaries to Universal Scientific Study. Leiden ; Boston: Brill, 1960.
MLA استشهادEringa, Pier. Art of Science and the Theoretical Way: Preliminaries to Universal Scientific Study. Leiden ; Boston: Brill, 1960.
