Chisholm, R. M. (1977). Theory of knowledge (2nd ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)Chisholm, Roderick M. Theory of Knowledge. 2nd ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1977.
Cita MLA (9a ed.)Chisholm, Roderick M. Theory of Knowledge. 2nd ed. Prentice-Hall, 1977.
Precaución: Estas citas no son 100% exactas.