Hendriks, Berna. "An experimental study of native speaker perceptions of non-native request modification in e-mails in English" Intercultural Pragmatics, 7.2 (2010): 221-255. Retrieved 19 Jun. 2013, from doi:10.1515/iprg.2010.011

Hendriks, B. (2010). An experimental study of native speaker perceptions of non-native request modification in e-mails in English. Intercultural Pragmatics, 7(2), pp. 199-421. Retrieved 19 Jun. 2013, from doi:10.1515/iprg.2010.011

Hendriks, Berna. 2010. An experimental study of native speaker perceptions of non-native request modification in e-mails in English. Intercultural Pragmatics. 7(2): 199-421. Retrieved 19 Jun. 2013, from doi:10.1515/iprg.2010.011