Santana Barboza, G. (1988). Current seismic design regulations for Costa Rica.
Citación estilo ChicagoSantana Barboza, Guillermo. Current Seismic Design Regulations for Costa Rica. 1988.
MLA引文Santana Barboza, Guillermo. Current Seismic Design Regulations for Costa Rica. 1988.
警告：這些引文格式不一定是100％准確.