Harvey, D. R. (2012). Preserving digital materials (2nd ed.). De Gruyter Saur.
芝加哥风格引文Harvey, D. R. Preserving Digital Materials. 2nd ed. Berlin ; Boston: De Gruyter Saur, 2012.
MLA引文Harvey, D. R. Preserving Digital Materials. 2nd ed. De Gruyter Saur, 2012.
警告：这些引文格式不一定是100％准确.