Blackman, A., Pfaff, A., & Robalino, J. (2015). Paper park performance: Mexico’s natural protected areas in the 1990s.
استشهاد بنمط شيكاغوBlackman, Allen, Alexander Pfaff, و Juan Robalino. Paper Park Performance: Mexico’s Natural Protected Areas in the 1990s. 2015.
MLA استشهادBlackman, Allen, Alexander Pfaff, و Juan Robalino. Paper Park Performance: Mexico’s Natural Protected Areas in the 1990s. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.