APA-čujuhus (7. p.)

Case, K. (2002). Principles of economics (6th.). Pearson Education.

Chicago-čujuhus (17. p.)

Case, Karl. Principles of Economics. 6th. Delhi: Pearson Education, 2002.

MLA-čujuhus (9. p.)

Case, Karl. Principles of Economics. 6th. Pearson Education, 2002.

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