Citace podle APA (7th ed.)

(2015). A Systems Approach to Environmental Management It's not easy being Green. [electronic resource].

Citace podle Chicago (17th ed.)

A Systems Approach to Environmental Management It's Not Easy Being Green. [electronic Resource]. 2015.

Citace podle MLA (9th ed.)

A Systems Approach to Environmental Management It's Not Easy Being Green. [electronic Resource]. 2015.

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