Bryson, N. S., & Quarles, S. P. (2003). Have you got a license for that tree?: (and can you afford to use it?). Environmental Law Institute.
Citace podle Chicago (17th ed.)Bryson, Nancy Southard, a Steven P. Quarles. Have You Got a License for That Tree?: (and Can You Afford to Use It?). Washington, D.C.: Environmental Law Institute, 2003.
Citace podle MLA (9th ed.)Bryson, Nancy Southard, a Steven P. Quarles. Have You Got a License for That Tree?: (and Can You Afford to Use It?). Environmental Law Institute, 2003.
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