Willis, S., & Cortés, J. (2001). Mollusks of Manuel Antonio National Park, Pacific Costa Rica.
Chicago Style CitationWillis, Samuel, i Jorge Cortés. Mollusks of Manuel Antonio National Park, Pacific Costa Rica. 2001.
Cita MLAWillis, Samuel, i Jorge Cortés. Mollusks of Manuel Antonio National Park, Pacific Costa Rica. 2001.
Atenció: Aquestes cites poden no estar 100% correctes.