Black, M. (1952). Critical Thinking: An introduction to logic and scientific Method (2nd ed.). Printice- Hall.
Chicago-čujuhus (17. p.)Black, Max. Critical Thinking: An Introduction to Logic and Scientific Method. 2nd ed. Englewood Clif.: Printice- Hall, 1952.
MLA-čujuhus (9. p.)Black, Max. Critical Thinking: An Introduction to Logic and Scientific Method. 2nd ed. Printice- Hall, 1952.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.