Cita APA

Licklider, P. (1980). At your command A basic english workbook / Patricia licklider (1.). United states América: little brown and company.

Citación estilo Chicago

Licklider, Patricia. At Your Command A Basic English Workbook / Patricia Licklider. 1. United states América: little brown and company, 1980.

Cita MLA

Licklider, Patricia. At Your Command A Basic English Workbook / Patricia Licklider. 1. United states América: little brown and company, 1980.