APA-čujuhus (7. p.)

Harvard Business School. (2008). Going Green. HArvard Bus.School Pub.

Chicago-čujuhus (17. p.)

Harvard Business School. Going Green. Boston: HArvard Bus.School Pub, 2008.

MLA-čujuhus (9. p.)

Harvard Business School. Going Green. HArvard Bus.School Pub, 2008.

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