Johnstone, H. W. (1959). Philosophy and argument. Pennsylvania State University Press.
Cita Chicago Style (17a ed.)Johnstone, Henry W. Philosophy and Argument. [University Park]: Pennsylvania State University Press, 1959.
Cita MLA (9a ed.)Johnstone, Henry W. Philosophy and Argument. Pennsylvania State University Press, 1959.
Precaución: Estas citas no son 100% exactas.