APA-čujuhus (7. p.)
Ericsson, K. A., & Simon, H. A. Protocol Analysis: Verbal Reports as Data (2a edición.). Massachusetts Institute of Technology.
Chicago-čujuhus (17. p.)
Ericsson, Karl Anders, juo Herbert Alexander Simon. Protocol Analysis: Verbal Reports as Data. 2a edición. Cambridge, EUA: Massachusetts Institute of Technology.
MLA-čujuhus (9. p.)
Ericsson, Karl Anders, juo Herbert Alexander Simon. Protocol Analysis: Verbal Reports as Data. 2a edición. Massachusetts Institute of Technology.
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