APA-čujuhus (7. p.)
Gillespie, A. (2007). Protected areas and international environmental law. Martinus Nijhoff Publishers.
Chicago-čujuhus (17. p.)
Gillespie, Alexander. Protected Areas and International Environmental Law. Leiden ; Boston: Martinus Nijhoff Publishers, 2007.
MLA-čujuhus (9. p.)
Gillespie, Alexander. Protected Areas and International Environmental Law. Martinus Nijhoff Publishers, 2007.
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