Sandstrom, M. A. (1978). Stratigraphy and structure of Chochal limestone, El Tapon Canyon area, Cuilco Quadrangle, Guatemala.
Citación estilo ChicagoSandstrom, Melissa Anne. Stratigraphy and Structure of Chochal Limestone, El Tapon Canyon Area, Cuilco Quadrangle, Guatemala. 1978.
Cita MLASandstrom, Melissa Anne. Stratigraphy and Structure of Chochal Limestone, El Tapon Canyon Area, Cuilco Quadrangle, Guatemala. 1978.
Precaución: Estas citas no son 100% exactas.