APA

Brand G., Innis R. E., .The essential Wittgenstein. New York: .

Chicago

Brand Gerd, Innis Robert E, .The essential Wittgenstein. New York: .

Harvard

Brand G., Innis R. E., .The essential Wittgenstein. New York: .

MLA

Brand Gerd, Innis Robert E, .New York: . .