Popper, K. R. (1961). The logic of scientific discovery. New York: Science Edition,Inc.
Trích dẫn kiểu ChicagoPopper, Karl R. The Logic of Scientific Discovery. New York: Science Edition,Inc, 1961.
MLA引文Popper, Karl R. The Logic of Scientific Discovery. New York: Science Edition,Inc, 1961.
警告:這些引文格式不一定是100%准確.