Clark Glymour, Douglas Stalker.Winning through pseudoscience // Philosophy of science and the occult / Patrick Grim. — 2, revised. — State University of New York Press, 1990. — С. 92—94. — (SUNY series in philosophy). — ISBN 0791402045, 9780791402047.. — «They’ll cheerfully empty their pockets to anyone with a twinkle in their eye and a pseudoscience in their pocket. Astrology, biorhythms, ESP, numerology, astral projection, scientology, UFOlogy, pyramid power, psychic surgeons, Atlantis real state (…). (…) your pseudoscience will have better sales potential if it makes use of a misterious device, or a lot of calculations (but simple calculations) (…) The great models [of this sales potential] are astrology and biorhythms (…)»..
Raimo Toumela.Science, Protoscience and Pseudoscience // Rational changes in science: essays on scientific reasoning (англ.) / Joseph C. Pitt, Marcello Pera. — illustrated. — Springer, 1987. — Vol. 98. — P. 94, 96. — (Boston studies in the philosophy of science). — ISBN 9027724172, 9789027724175. Архивировано 19 октября 2022 года.. — «If we take such pseudosciences as astrology, the theory of biorhythms, suitable parts of parapsychology, homeopathy and faith healing (…) Such examples of pseudoscience as the theory of biorhythms, astrology, dianetics, creationism, faith healing may seem too obvious examples of pseudoscience for academic readers.».
Raimo Toumela.Science, Protoscience and Pseudoscience // Rational changes in science: essays on scientific reasoning (англ.) / Joseph C. Pitt, Marcello Pera. — illustrated. — Springer, 1987. — Vol. 98. — P. 94, 96. — (Boston studies in the philosophy of science). — ISBN 9027724172, 9789027724175. Архивировано 19 октября 2022 года.. — «If we take such pseudosciences as astrology, the theory of biorhythms, suitable parts of parapsychology, homeopathy and faith healing (…) Such examples of pseudoscience as the theory of biorhythms, astrology, dianetics, creationism, faith healing may seem too obvious examples of pseudoscience for academic readers.».