Ladd, J. (1964). Archeological investigations in the Parita and Santa Maria zones of Panama. U. S. Govt. Print. Off.
Citación estilo ChicagoLadd, John. Archeological Investigations in the Parita and Santa Maria Zones of Panama. Washington: U. S. Govt. Print. Off, 1964.
Cita MLALadd, John. Archeological Investigations in the Parita and Santa Maria Zones of Panama. U. S. Govt. Print. Off, 1964.
Warning: These citations may not always be 100% accurate.