Источник: "On Gestalt Qualities," 1890, p. 16
Эренфельс, Христиан: Цитаты на английском языке
Источник: "On Gestalt Qualities," 1890, p. 97
Источник: "On Gestalt Qualities," 1890, p. 97
Источник: "On Gestalt Qualities," 1890, p. 104
Christian von Ehrenfels (1897, 3–4), as cited in: Robin Rollinger and Carlo Ierna, " Christian von Ehrenfels https://plato.stanford.edu/archives/win2016/entries/ehrenfels/", The Stanford Encyclopedia of Philosophy, Winter 2016 Edition, Edward N. Zalta (ed.)
Источник: "On Gestalt Qualities," 1890, p. 93