Meurman-Solin, Anneli; Nurmi, Arja. Annotation, Retrieval and Experimentation. Annotating Variation and Change. Helsinki: Research Unit for Variation, Contacts and Change in English (VARIENG), University of Helsinki. 2007 [2021-10-16]. OCLC 780136367. (原始内容存档于2021-10-19) (英语).
Meurman-Solin, Anneli; Nurmi, Arja. Annotation, Retrieval and Experimentation. Annotating Variation and Change. Helsinki: Research Unit for Variation, Contacts and Change in English (VARIENG), University of Helsinki. 2007 [2021-10-16]. OCLC 780136367. (原始内容存档于2021-10-19) (英语).