APA引文

Umaña, C. E. (2012). Determinants of Export Flows for Firms in Costa Rica: A Survival Analysis.

Citación estilo Chicago

Umaña, Carlos E. Determinants of Export Flows for Firms in Costa Rica: A Survival Analysis. 2012.

MLA引文

Umaña, Carlos E. Determinants of Export Flows for Firms in Costa Rica: A Survival Analysis. 2012.

警告：這些引文格式不一定是100％准確.