APA-čujuhus (7. p.)

Boyes,William, & Melvin, M. (2003). Principles of economics (NA.). Cengage Learning.

Chicago-čujuhus (17. p.)

Boyes,William, juo Michael Melvin. Principles of Economics. NA. Australia: Cengage Learning, 2003.

MLA-čujuhus (9. p.)

Boyes,William, juo Michael Melvin. Principles of Economics. NA. Cengage Learning, 2003.

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