APA-viite (7. p.)

Paarlahti, S., tiedekunta, H., Humanities, F. o., laitos, K., Languages, D. o., Jyväskylä, U. o., & yliopisto, J. (1998). Politeness strategies in business letters written by non-native and native speakers of English.

Chicago-viite (17. p.)

Paarlahti, Sanna, Humanistinen tiedekunta, Faculty of Humanities, Kielten laitos, Department of Languages, University of Jyväskylä, ja Jyväskylän yliopisto. Politeness Strategies in Business Letters Written by Non-native and Native Speakers of English. 1998.

MLA-viite (9. p.)

Paarlahti, Sanna, et al. Politeness Strategies in Business Letters Written by Non-native and Native Speakers of English. 1998.