Knight, R. L., & Gutzwiller, K. J. (1995). Wildlife and recreationists: Coexistence through management and research. Washington, D.C.: Island Press.
Чикагска система за цитиранеKnight, Richard L., и Kevin J. Gutzwiller. Wildlife and Recreationists: Coexistence Through Management and Research. Washington, D.C.: Island Press, 1995.
MLA формат за цитиранеKnight, Richard L., и Kevin J. Gutzwiller. Wildlife and Recreationists: Coexistence Through Management and Research. Washington, D.C.: Island Press, 1995.
Внимание: Тези цитати може да не са 100% точни.