Paige, J. M. Coffee and Power in El Salvador.
Cita Chicago Style (17a ed.)Paige, Jeffery M. Coffee and Power in El Salvador.
Cita MLA (9a ed.)Paige, Jeffery M. Coffee and Power in El Salvador.
警告：这些引文格式不一定是100％准确.
Cita APA (7a ed.)